Difference between revisions of "Horkelia tularensis"
Suppl. Calif. Fl., 110. 1968.
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|subfamily=Rosaceae subfam. Rosoideae | |subfamily=Rosaceae subfam. Rosoideae | ||
|tribe=Rosaceae tribe Potentilleae | |tribe=Rosaceae tribe Potentilleae | ||
Latest revision as of 22:56, 5 November 2020
Plants 1–4 dm diam. Stems decumbent to erect, 0.3–1.8(–2.5) dm. Basal leaves 2–8(–10) × 0.5–1.3 cm; leaflets 4–6(–10) per side, overlapping, cuneate to flabellate, 3–8 mm, divided 3/4+ to midrib into (3–)5–8 oblong to obovate or oblanceolate lobes, villous to pilose at least marginally or apically. Cauline leaves 1 or 2. Pedicels 2–7 mm. Flowers 3–15, 8–10 mm diam.; epicalyx bractlets linear-lanceolate, 1–2.5(–3) × 0.3–0.5(–0.8) mm, ± 2/3 length of sepals; hypanthium 1–1.5 × 2.5–4.5 mm, nearly 1/2 as deep as wide, interior sparsely pilose; sepals spreading to reflexed, broadly lanceolate, (2–)3–4.5(–5) mm, hairs stiff, 0.5–1 mm; petals not pink-tinged, narrowly oblanceolate to narrowly oblong, 2–4 mm, apex rounded to truncate, often slightly mucronate; filaments white, 1–2 × 0.3–0.5 mm, usually glabrous, rarely sparsely pilose, anthers 0.6–0.8 mm; carpels 5–12; styles 1.5–2 mm. Achenes light brown to brown, 2–2.5 mm.
Phenology: Flowering summer.
Habitat: Dry, rocky metamorphic ridges, in subalpine conifer woodlands
Elevation: 2300–2900 m
Discussion
Of conservation concern.
Horkelia tularensis is known only from the Kern Plateau in Tulare County. Greenish and reddish plants can grow intermixed in a single population.
Selected References
None.