Horkelia hispidula
White Mountain horkelia, White Mountains. horkelia
ascending to erect, 1–2.5 dm.
3–10 × 0.4–0.8 cm;
leaflets (6–)10–14 per side, ± overlapping at least distally, cuneate to flabellate, 2.5–4(–6) mm, divided 3/4+ to midrib into 3–6 oblanceolate to obovate lobes, hispid.
3–7.
2–8(–12) mm.
3–15, 10 mm diam.;
epicalyx bractlets linear to lanceolate, 1.5–3 × 0.2–0.5 mm, ± 2/3 length of sepals;
hypanthium 1.8–3 × 3–4 mm, ± 1/2 as deep as wide, interior sparsely pilose;
sepals reflexed, broadly lanceolate, 2.5–4(–5) mm, hairs stiff, 0.5 mm;
petals not pink-tinged, oblanceolate to oblong or narrowly elliptic, 2.5–5 mm, apex rounded to truncate, sometimes slightly emarginate or mucronate;
filaments white, 0.5–2 × 0.4–0.6 mm, glabrous or sparsely pilose adaxially, anthers 0.5–0.9 mm;
carpels (10–)12–18(–20);
styles 1.8–2.2 mm.
brown to dark brown, 1.5–2 mm.
Horkelia hispidula
Of conservation concern.
When describing Horkelia hispidula, Rydberg associated it with H. sericata in his group Sericatae. The species is known only from the White Mountains of California and adjacent Nevada.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
CA
WildflowerSearch
iNaturalist
USDA Plants Database
