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Amblyolepis setigera
DC.
Family:
Asteraceae
Huisache Daisy
[
Helenium setigerum
Britton & Rusby]
FNA
Resources
Mark W. Bierner in Flora of North America (vol. 21)
Leaves:
basal and proximal spatulate to oblanceolate, bases narrowed; mid ovate to lanceolate, bases usually semiclasping; distal leaves similar, smaller.
Peduncles
(4-)8-20 cm, expanded distally, sparsely pilose proximally, moderately to densely pilose distally.
Involucres
hemispheric to globose, 9-17 × 12-20 mm.
Phyllaries:
outer usually 8, inner 9-13.
Ray corollas
10-22 × 4.5-9.6(-11.6) mm.
Disc corollas
5.1-7 mm.
Cypselae
3-4.5 mm;
pappus scales
2-3(-4.1) mm, apices usually rounded to acute or acuminate, rarely cuspidate, not aristate.
2
n
= 34(-), 36, 37 (18II + 1I), 38, 39 (19II + 1I), 39 (18II + 3I -), 40.
Flowering (Jan-)Mar-May(-Sep). Roadsides, open fields; 10-900 m; Tex.; Mexico (Coahuila, Nuevo León, Tamaulipas).
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