Polygonum parryi
Bull. Torrey Bot. Club 8: 99. 1881.
Herbs, compact, often cushionlike. Stems erect, green-brown, simple or branched from base, not wiry, 2–5 (–8) cm, glabrous. Leaves ± uniformly distributed, dense, not articulated to ocreae, basal leaves ± persistent, distal leaves gradually reduced to bracts; ocrea 2–4 (–5) mm, glabrous, proximal part cylindric, distal part deeply lacerate, disintegrating into white, curled fibers; petiole absent; blade 3-veined, without pleats, linear-lanceolate, subulate, 5–13 (–20) × 0.4–1 mm, margins revolute, smooth, apex spine-tipped. Inflorescences axillary; cymes in most axils, 1-flowered. Pedicels absent. Flowers closed; perianth 1.5–2 (–2.5) mm; tube 6–15% of perianth length; tepals overlapping, usually reddish with white margins, petaloid, oblong, navicular, apex acute; midveins unbranched; stamens 8. Achenes slightly exserted from perianth at maturity, dark-brown, ovate, 1.2–1.6 (–2) mm, faces subequal, shiny, smooth.
Phenology: Flowering May–July.
Habitat: Vernally moist, open, sandy or rocky places
Elevation: 500-2000 m
Discussion
Selected References
None.
Lower Taxa
"/2" is not declared as a valid unit of measurement for this property.