Papaveraceae

Papaveraceae

Corydalis elegans 

Papaveraceae

Corydalis cornuta

Papaveraceae

Corydalis filicina

Papaveraceae

Dicranostigma lactucoides

Papaveraceae

Papaveraceae

Meconopsis paniculata

by G & P Jürgens

(D. Don) Prain

Sikkim2011 89
Sikkim Chopta-valley 4200m, June
BhutanPG2011 321
Bhutan
Sikkim2011 252
Sikkim Yumthang 3700m, June
Nepal 97 136 G252
Nepal Mewa-Khola 3100m April

Description

Meconopsis paniculata is a stately Himalayan poppy distributed through Nepal, the Indian states of Sikkim and Darjeeling, Bhutan and southern Tibet (China), with cultivated records in Britain and Canada; GBIF documents about 440 occurrences. It grows in the upper temperate to subalpine and lower alpine zone, on open grassy slopes, forest clearings, streamsides and shrubby hillsides, as recorded in the Chopta valley (4200 m) and at Yumthang (3700 m) in Sikkim and at Mewa-Khola (3100 m) in Nepal. Spanning roughly 3000-4200 m, it flowers from spring into early summer (April-June), often forming conspicuous stands on damp, humus-rich slopes.

It is a robust monocarpic herb, forming in its first years a large basal rosette before producing a single tall, branched flowering stem up to 1.5-2 m. The whole plant is densely clothed in golden to rusty, spreading bristly hairs. The basal leaves are large, oblong-lanceolate and pinnately lobed or deeply cut, narrowing into a winged petiole. The inflorescence is an elongate, leafy panicle (the epithet "paniculata") of nodding, broadly cup-shaped flowers; the four (rarely more) petals are pale to clear yellow, surrounding a boss of numerous yellow stamens and a stout ovary crowned by a short style and lobed stigma. The fruit is an oblong, bristly capsule dehiscing by apical pores to shed many small seeds.

Described by Prain from D. Don's basionym, M. paniculata belongs to the monocarpic, bristly-fruited group of Meconopsis allied to M. napaulensis and M. wallichii, a complex whose taxonomy has long been debated owing to hybridisation and variable indumentum. As a monocarpic species it dies after a single flowering, relying entirely on abundant seed for regeneration. The flowers are visited by bumblebees foraging at altitude. Widespread across its range, it is not considered globally threatened, though seed collection and grazing can affect local populations.

Author: (D. Don) Prain · Sources: POWO (Kew), GBIF, Flora of Bhutan, Flora of Nepal, Grey-Wilson's monograph of the genus Meconopsis

Papaveraceae

Meconopsis regia

by GP Jürgens

G.Taylor

Nepal 95 136.P229 ergebnis
Nepal south of Rupina La October
Nepal 2001 356 ergebnis ergebnis scaled
Nepal 2001 381 ergebnis ergebnis scaled
Nepal (Gorkha) Rupina-La 3350m, May

Description

Meconopsis regia is a stately monocarpic poppy endemic to central Nepal, the great majority of its roughly 100 documented records lying within that country. It is a plant of open rocky slopes, screes, cliff ledges and alpine grassland of the subalpine to alpine zones, typically between about 3000 and 4200 m. The illustrated material derives from the Rupina-La area in the Gorkha region of Nepal: a flowering plant at 3350 m in May and a withered specimen recorded south of the pass in October, together documenting the full annual cycle from spring growth to autumn senescence.

The species is celebrated for its magnificent overwintering rosette of large oblanceolate leaves clothed in dense golden to rusty-red silky hairs, which protect the resting bud through the alpine winter. After several years of rosette growth it bolts to produce a tall, stout, leafy flowering stem bearing numerous large flowers. The blooms are saucer-shaped with four broad, satiny petals of pale to golden yellow, surrounding a boss of many stamens and a stout ovary topped by a short style and capitate stigma. After flowering the plant dies, the ovary maturing into an elongate ribbed capsule that dehisces by apical pores to scatter the seeds.

Meconopsis is the iconic genus of Himalayan and Sino-Tibetan poppies, distinguished from Papaver largely by its distinctive style and stigma. As a narrow-range Nepalese endemic with a monocarpic, hapaxanthic life-history, M. regia is intrinsically vulnerable to over-collection and habitat disturbance and is of conservation interest despite lacking a formal IUCN assessment; it is also prized by alpine horticulturists.

Author: G.Taylor · Sources: POWO (Kew), GBIF, Annotated Checklist of the Flowering Plants of Nepal, Flowers of the Himalaya, The Genus Meconopsis (Grey-Wilson monograph), Flora of Nepal

Papaveraceae

Meconopsis sherriffii

by GP Jürgens

G. Taylor

BhutanPG2011 482 scaled
Bhutan Ludlow-Sherriff-Trail Warrtlang-La, 4400m June

Description

Meconopsis sherriffii is a rare and narrowly endemic Himalayan poppy known only from a small area of the eastern Himalaya straddling south-eastern Xizang (China) and adjacent northern Bhutan; with merely around 17 georeferenced occurrences (CN, BT) it ranks among the most localised members of its celebrated genus. It is a plant of high alpine turf, screes and rocky, well-drained slopes near the upper limit of vegetation, typically between about 4000 and 4800 m. The plant photographed at Warrtlang-La on the historic Ludlow-Sherriff Trail in Bhutan at 4400 m in June, flowering in the short alpine summer, occupies exactly this exposed, high-elevation habitat for which the species is named after its co-discoverer George Sherriff.

It is a tap-rooted perennial forming a low rosette of leaves clothed, like the scapes, in soft golden to rufous hairs. The leaves are oblong to oblanceolate, entire to shallowly lobed, and densely pilose. The flowers, borne singly or few on hairy scapes, are large and saucer-shaped, with four (occasionally more) broad, satiny petals of a distinctive soft pink to rose colour, unusual in a genus dominated by blue and yellow species; the boss of numerous golden stamens surrounds a superior ovary topped by a short style and lobed stigma. The fruit is an ellipsoid, hairy, several-valved capsule opening by apical pores to release many minute seeds.

Meconopsis sherriffii belongs to the section of monocarpic-to-perennial hairy Himalayan poppies and is prized in cultivation for its rare pink colouring. Its extremely restricted range, low population numbers and dependence on fragile high-alpine habitat make it of clear conservation concern, vulnerable to grazing, collection and climatic change.

Author: G. Taylor · Sources: POWO (Kew), GBIF, Flora of Bhutan, Flora of China, Grey-Wilson's monograph The Genus Meconopsis, Ludlow & Sherriff's Bhutan collections

Papaveraceae

Meconopsis simplicifolia

by G & P Jürgens

(D. Don) Walp.

Sikkim2011 75
Sikkim2011 66
Sikkim Tanghu 3900m, June
Bh09 15 P27
Bh09 13 G13
Bhutan Chele-La,3200m June
Sikkim2004 433 G755
Sikkim2004 432 G754
Sikkim/India Yumthang 3600m May

Description

Meconopsis simplicifolia (D. Don) Walp. is a high-mountain perennial blue poppy of the central and eastern Himalaya, ranging through Nepal, Sikkim and northern India, Bhutan and southern Tibet (China), with cultivated records accounting for the United Kingdom entries in a GBIF dataset of roughly 267 occurrences. It inhabits alpine meadows, open turf, rocky slopes and the margins of Rhododendron scrub on moist, humus-rich, well-drained acidic soils, typically within the snowmelt-fed alpine zone. The illustrated collections cluster between about 3200 and 3900 m, from Tanghu in Sikkim at 3900 m and Chele-La in Bhutan at 3200 m in June to Yumthang on the Sikkim-India border at 3600 m in May, marking a late-spring to early-summer flowering as the snow retreats.

It forms a perennial herb with a basal rosette of simple, undivided leaves, oblanceolate to elliptic or narrowly lanceolate, entire to faintly toothed and clothed in soft, often fulvous to fawn-coloured bristly hairs, narrowing to a winged petiole; the simple, unlobed foliage gives the species its epithet. From the rosette arise one or several slender, bristly, leafless scapes, each bearing a solitary, nodding flower. The flowers have four (sometimes more) broad, silky, overlapping petals of clear sky-blue to violet or, in some forms, reddish-purple, surrounding a tuft of golden stamens and a stout ovary topped by a short, distinct style and capitate stigma. The fruit is an ellipsoid, bristly capsule opening by short apical valves.

Meconopsis simplicifolia is part of the perennial, scapose blue-poppy assemblage and is distinguished from allies such as M. grandis by its single-flowered scapes and entirely simple leaves; it is variable in flower colour and in whether it behaves as monocarpic or polycarpic. Pollinated chiefly by bumblebees, it is a celebrated ornamental long grown in cool temperate gardens. Across its range populations are localised and sensitive to grazing, trampling and the warming of alpine habitats, making it, like its relatives, a species of interest for Himalayan alpine conservation though not formally assessed as threatened.

Author: (D. Don) Walp. · Sources: POWO (Kew), GBIF, Flora of Bhutan, Flora of Nepal, Christopher Grey-Wilson – The Genus Meconopsis

Papaveraceae

Meconopsis sinuata

by G & P Jürgens

Prain

BhutanPG2011 155
Bhutan Tsochenchen, 3500m June

Description

Meconopsis sinuata is a blue poppy of the eastern Himalaya. GBIF records it from India, Nepal, Bhutan and China, with around 60 occurrences distributed along the moist eastern Himalayan ranges. It grows in subalpine and alpine meadows, open shrubberies, forest clearings and rocky slopes, typically between 3000 and 4300 m, in the high-rainfall belt swept by the summer monsoon. The plant figured here was photographed at Tsochenchen in Bhutan at 3500 m in June, flowering early in the season among damp alpine herbage characteristic of this genus of cool, humid mountain habitats.

It is a slender perennial or biennial poppy bearing bristly hairs throughout. The basal leaves are oblanceolate with a distinctly sinuate to lobed margin, narrowing to a winged petiole, and the cauline leaves diminish upward. The nodding flowers are borne singly on bristly pedicels in the upper axils; the four (occasionally more) delicate, crinkled petals are sky-blue to purplish-blue, sometimes mauve, surrounding a boss of numerous yellow stamens. The superior ovary bears a short style, and the fruit is an elongate, bristly capsule dehiscing by apical valves to shed many small seeds.

Meconopsis, the celebrated Himalayan blue poppies, is a centre of endemism in the eastern Himalaya and Hengduan mountains, and the group has been extensively recircumscribed by molecular work separating Asian species from the European M. cambrica. The vivid blue pigmentation, attractive to bumblebee pollinators, has also made these poppies prized in cultivation. Restricted to specialised high-rainfall alpine habitats, M. sinuata is sensitive to grazing and habitat disturbance, and several congeners are of conservation concern.

Author: Prain · Sources: POWO (Kew), GBIF, Flora of China, Flora of Bhutan, Annotated Checklist of the Flowering Plants of Nepal, The Genus Meconopsis: Blue Poppies and their Relatives

Papaveraceae

Meconopsis species

by G & P Jürgens
Nepal 99 41 ergebnis
West-Nepal Nyor Gaad 2800m, June
Nepal 99 38 ergebnis
West-Nepal Nyor Gaad 2800m, June
Nepal 99 39 ergebnis
West-Nepal Nyor Gaad 2800m, June

Description

Meconopsis is a genus of approximately 50–80 species of poppy-like herbs predominantly centred on the Sino-Himalayan region, with a single outlying species (M. cambrica) in western Europe. The genus ranges from Pakistan through the Himalayas to southwestern China and northern Myanmar, with its greatest species diversity in southeastern Xizang, northwestern Yunnan, and western Sichuan. Species occupy diverse montane to alpine habitats including forest clearings, scrub, rocky slopes, scree, and high-altitude meadows at elevations from 2,000 to over 5,500 m. The present specimen, photographed in the Nyor Gaad valley of western Nepal at 2,800 m in June, represents a population in the lower elevational range typical for the genus.
Meconopsis species are annual, biennial, or monocarpic to polycarpic perennial herbs, producing rosettes of basal leaves that are variously lobed, pinnatifid, or entire, and typically covered with bristly or plumose hairs. The flowers are borne singly or in racemose to paniculate inflorescences and are characteristically large and showy, 3–10 cm across, with 4–8 petals in shades of blue, purple, red, yellow, or white. The stamens are numerous, with conspicuous yellow to orange anthers. The gynoecium consists of a syncarpous ovary that matures into a capsule dehiscing by apical valves. Identification to species level often requires examination of fruit morphology, indumentum type, and style characters.
Species-level determination in Meconopsis from photographs alone is frequently unreliable, as many taxa overlap in floral colour and vegetative morphology, and the genus has undergone considerable taxonomic revision. Western Nepal harbours several species including M. regia, M. napaulensis, and M. paniculata, among others. Over 9,200 occurrence records in GBIF attest to the genus's wide distribution and collecting interest. Many species are of significant horticultural value, particularly the blue-flowered taxa, while several narrow endemics face conservation concerns due to climate-driven habitat shifts and overcollection. Continued field surveys and molecular phylogenetic studies are essential for resolving species boundaries within this iconic Himalayan genus.

Sources: POWO (Kew), GBIF, Grey-Wilson: The Genus Meconopsis (2014), Flora of China Vol. 7, Flora of Nepal

Papaveraceae

Meconopsis wallichii var. fusco-purpurea

by GP Jürgens

Sikkim2003 156 G209
Sikkim Dzongri 3900m 08.2003
Sikkim2003 158 P211
Sikkim Dzongri 3900m, August

Description

Meconopsis wallichii var. fusco-purpurea is a dark-flowered variant of the tall Himalayan blue poppy complex of the eastern Himalaya, ranging through Nepal, Sikkim and Bhutan. Although GBIF holds no occurrence records under this infraspecific name (the taxon being treated under the broader M. wallichii and the genus Meconopsis sensu lato), the species occupies open subalpine and lower alpine slopes, forest clearings and shrubberies, typically between 3000 and 4000 m. The photographs from Dzongri in Sikkim at about 3900 m in August document this purple-flowered form in its characteristic high-montane meadow habitat during the monsoon flowering season.

The plant is a tall, monocarpic herb that forms a basal rosette of deeply pinnatifid, bristly-hairy leaves over several years before producing a single robust, branched flowering stem up to a metre or more in height. The stems and foliage bear rusty to golden setose hairs. The large, nodding, saucer-shaped flowers are arranged in a leafy panicle; in this variety the petals are a deep dusky purple to wine-red rather than the sky-blue typical of the species, surrounding a boss of golden stamens. The ovary is bristly and develops into an elongate, several-valved capsule dehiscing at the apex to release numerous small seeds.

Taxonomically this purple form has been recognised at varietal rank within the variable M. wallichii, itself part of the difficult Sino-Himalayan genus Meconopsis where flower colour and indumentum vary clinally; many such names are now subsumed or transferred following modern revisions. The monocarpic life history, with a long vegetative phase and a single mass-flowering event, is characteristic of the group. As a striking ornamental, it is of horticultural interest, while wild populations depend on undisturbed subalpine slopes.

Sources: POWO (Kew), GBIF, Flora of Bhutan, Annotated Checklist of the Flowering Plants of Nepal, Grey-Wilson's monograph The Genus Meconopsis