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huisache daisy

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.

Ray corollas

10–22 × 4.5–9.6(–11.6) mm.

Disc corollas

5.1–7 mm.

Phyllaries

outer usually 8, inner 9–13.

Cypselae

3–4.5 mm;

pappus scales 2–3(–4.1) mm, apices usually rounded to acute or acuminate, rarely cuspidate, not aristate.

2n

= 34(?), 36, 37 (18II + 1I), 38, 39 (19II + 1I), 39 (18II + 3I ?), 40.

Amblyolepis setigera

Phenology Flowering (Jan–)Mar–May(–Sep).
Habitat Roadsides, open fields
Elevation 10–900 m (0–3000 ft)
Distribution
from FNA
TX; Mexico (Coahuila, Nuevo León, Tamaulipas)
[WildflowerSearch map]
[BONAP county map]
Source FNA vol. 21, p. 421.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Gaillardiinae > Amblyolepis
Synonyms Helenium setigerum
Name authority de Candolle: in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 668. (1836)
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