Difference between revisions of "Erigeron uncialis"
Proc. Biol. Soc. Wash. 47: 173. 1934.
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Revision as of 20:04, 5 November 2020
Perennials, 0.8–7 cm (cespitose); taprooted, caudex branches usually lignescent, sometimes relatively elongate. Stems erect (greenish), sparsely loosely strigose to hirsuto-villous, usually densely villous distally, eglandular. Leaves all or mostly basal (persistent; petiole base margins spreading-ascending-ciliate); (greenish) spatulate, blades elliptic-obovate to suborbiculate, 10–40 × (1.5–)2–6 mm (bases abruptly contracted to petioles), margins entire (apices rounded to obtuse), faces strigose to hirsuto-villous, less densely so abaxially, eglandular. Heads 1. Involucres 3–5 × 7–10 mm. Phyllaries in 2–3 series (margins purplish), hirsuto-villous, sometimes sparsely minutely glandular (midregions and near apices). Ray florets 22–30; corollas white to pink, often with broad pink abaxial midstripe, 6–7 mm, laminae not coiling or reflexing, spreading. Disc corollas 2–2.4 mm. Cypselae 1.3–1.8 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 14–22 bristles.
Distribution
Calif., Nev.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Stems 0.8–2.5 cm, hirsuto-villous; leaves 10–20 mm, hirsuto-villous to loosely strigose | Erigeron uncialis var. uncialis |
| 1 | Stems 3–7 cm, loosely villoso-strigose; leaves 20–40 mm, sparsely closely strigose | Erigeron uncialis var. conjugans |