Difference between revisions of "Packera bernardina"
Phytologia 49: 45. 1981.
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Revision as of 18:41, 24 September 2019
Perennials, 15–30+ cm; fibrous-rooted (caudices branched, erect to suberect). Stems 1 (per rosette, rosettes clustered), lanate-tomentose to glabrescent. Basal leaves (and proximal cauline) petiolate; blades obovate to broadly spatulate, 5–20+ × 10–15 mm, bases tapering, margins subentire or dentate apically (faces lanate-tomentose to glabrescent). Cauline leaves gradually reduced (sessile; spatulate to linear, densely tomentose). Heads 2–8+ in compact cymiform arrays. Peduncles bracteate, densely lanate-tomentose. Calyculi 0. Phyllaries 13 or 21, green, 6–8 mm, lanate-tomentose, glabrate distally. Ray florets 8 or 13; corolla laminae 8–10 mm. Disc florets 35–50+; corolla tubes 2–2.5 mm, limbs 2–2.5 mm. Cypselae 0.75–1 mm, glabrous or hispid on ribs; pappi 3–4 mm. 2n = 46.
Phenology: Flowering late May–late Jul.
Habitat: Dry rocky slopes, duff of pine forests
Elevation: 1700–2200 m
Discussion
Of conservation concern.
Packera bernardina is known only from the San Bernardino Mountains and has been collected most frequently from Bear Valley.
Selected References
None.