Hymenopappus filifolius var. luteus
Rhodora 58: 221. 1956.
Endemic
Basionym: Hymenopappus luteus Nuttall Trans. Amer. Philos. Soc., n. s. 7: 374. 1841
Revision as of 21:02, 27 May 2020 by imported>Volume Importer
Stems 5–20+ cm. Leaves: basal axils ± densely tomentose, terminal lobes 2–6 mm; cauline 0–3(–4). Heads (5–)10–50. Peduncles 1–7 cm. Phyllaries 5–7 mm. Florets 15–25; corollas yellowish, 2–3(–3.5) mm, throats 1–2 mm, lengths (2–)3–4 times lobes; anthers 2 mm. Cypselae 4–5 mm, hairs 1–2 mm; pappi 0.1–0.8 mm. 2n = 34.
Phenology: Flowering Jun–Jul.
Habitat: Sands, gravels, calcareous
Elevation: 1600–2200 m
Distribution
Colo., Utah, Wyo.
Discussion
Selected References
None.
Lower Taxa
None.