Difference between revisions of "Aconogonon davisiae"
Preslia 46: 151. 1974.
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Revision as of 22:08, 5 November 2020
Plants 12–42(–50) cm. Stems ascending to erect, glabrous or pubescent. Leaves: ocrea reddish brown, funnelform, 0.3–3 cm, margins oblique, glabrous or finely pubescent to pilose; petiole 0.3–10(–15) mm; blade oblong-ovate to ovate, rarely broadly lanceolate, 2.1–7.5(–9.5) × 1.1–5 cm, subcoriaceous, base truncate or, rarely, cordate, margins entire, glabrous or ciliate, apex obtuse to acute, faces often glaucous, glabrous or pubescent. Inflorescences axillary, racemelike; peduncle essentially absent. Pedicels 0.5–1.9(–2.4) mm. Flowers 1–4 per ocreate fascicle, rarely some flowers with stamens poorly developed; perianth greenish to pinkish white, 2–4.5 mm; tepals slightly dimorphic or, rarely, distinctly so, oblong-ovate to obovate, apex obtuse; anthers yellow or pink. Achenes exserted, yellowish brown, not beaked distally, 3.2–6(–8.3) × 2.1–5 mm, shiny, faces not concave. 2n = 20.
Distribution
Calif., Idaho, Oreg., Wash.
Discussion
Varieties 2 (2 in the flora).
The varieties are largely sympatric and often intergrade. The treatment here follows Hong S. P. (1991).
Selected References
None.
Key
| 1 | Faces of leaf blades pubescent, rarely glabrescent | Aconogonon davisiae var. davisiae |
| 1 | Faces of leaf blades glabrous | Aconogonon davisiae var. glabrum |