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Packera bernardina
Packera bernardina
(Greene) W. A. Weber & Á. Löve
Family:
Asteraceae
San Bernardino Groundsel
FNA
Resources
Debra K. Trock in Flora of North America (vol. 20)
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.
2
n
= 46.
Flowering late May-late Jul. Dry rocky slopes, duff of pine forests; of conservation concern; 1700-2200 m; Calif.
Packera bernardina
is known only from the San Bernardino Mountains and has been collected most frequently from Bear Valley.
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