Flora of North America species comparison

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Hazardia whitneyi

Whitney's bristleweed, Whitney's goldenbush, Whitney's goldenweed
Habit Perennials (from woody rootstocks) or subshrubs, 20–50 cm.
Stems

scabrid to sparsely tomentulose, distally stipitate-glandular.
Leaves

sessile;

blades widely oblong to oblanceolate, 25–50 × 7–16 mm, subcoriaceous, bases subclasping (distal), margins serrate, apices acute, faces glabrous, sparsely puberulent, or glandular-scabrid.
Involucres

campanulate, 11–13 × 8–12 mm.
Ray florets

0 or 5–18, sterile;

corollas longer than involucres, conspicuous.
Disc florets

15–30;

corollas 8–10 mm.
Phyllaries

sometimes recurved, linear-lanceolate, apices acute, herbaceous and stipitate-glandular.
Heads

borne singly or in spiciform, racemiform, or cymiform arrays.
Cypselae

5–10 mm, glabrous.

Hazardia whitneyi
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Ray florets 0
var. discoidea
1. Ray florets 5–18
var. whitneyi
Source FNA vol. 20, p. 447.
Parent taxa Asteraceae > tribe Astereae > Hazardia
Sibling taxa
H. brickellioides, H. cana, H. detonsa, H. orcuttii, H. squarrosa, H. stenolepis
Subordinate taxa
H. whitneyi var. discoidea, H. whitneyi var. whitneyi
Synonyms Haplopappus whitneyi
Name authority (A. Gray) Greene: Pittonia 3: 43. (1896)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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