Decne.
Description
Valeriana pyrolifolia is a western Himalayan valerian distributed from Pakistan (northern areas, Azad Kashmir) through northwestern India (Kashmir, Himachal Pradesh, Uttarakhand). GBIF records 100 occurrences, predominantly from India and Pakistan. The species grows in subalpine meadows, grassy slopes, open scrub, and forest clearings at elevations of 2,800–4,200 m. The photograph from Meggu Kichatti in the Garhwal Himalaya at 3,400 m, taken in June, documents the species at a typical mid-range elevation during its early summer flowering period.
The plant is a perennial herb, 15–40 cm tall, arising from a stout, aromatic rhizome. Basal leaves are distinctive and diagnostic: simple, broadly ovate to orbicular, 3–7 cm long, with entire or obscurely crenate margins, glabrous, somewhat coriaceous, resembling the leaves of Pyrola — hence the specific epithet pyrolifolia. The basal leaves are long-petiolate, forming a conspicuous rosette. Cauline leaves are few, reduced, sessile, and sometimes pinnately lobed with 1–2 pairs of small lateral segments. The inflorescence is a compact, terminal, corymbose cyme that expands in fruit. Flowers are small, 3–5 mm long, funnel-shaped, white to pale pink, with three stamens and an inferior, unilocular ovary. The fruit is a small achene, 2–3 mm long, crowned by a feathery, plumose pappus derived from the accrescent calyx, aiding wind dispersal.
Valeriana pyrolifolia is readily distinguished from other Himalayan valerians by its entire, pyrola-like basal leaves, in contrast to the pinnately divided foliage typical of most congeners. The genus Valeriana, now placed in Caprifoliaceae following APG classifications (formerly Valerianaceae), is represented by numerous species in the Himalayan alpine zone. V. pyrolifolia is not currently considered threatened, though its relatively restricted western Himalayan range and dependence on subalpine grassland habitats merit monitoring in the context of climate change.
Author: Decne. · Sources: POWO (Kew), GBIF, Flora of Pakistan Vol. 150, Duthie: Flora of the Upper Gangetic Plain, Naithani: Flora of Chamoli Vol. 1