Hazardia squarrosa
Erythea 2: 112. 1894.
Common names: Saw-tooth bristleweed
Illustrated
Basionym: Haplopappus squarrosus Hooker & Arnott Bot. Beechey Voy., 146. 1833 (as Aplopappus)
Revision as of 19:56, 29 July 2020 by imported>Volume Importer
Shrubs, 30–250 cm. Stems usually sparsely tomentose or pilose. Leaves sessile; blades oblong or oblong-obovate to widely obovate, 13–35 (–50) × 5–17 (–24) mm, coriaceous, bases clasping to subclasping, margins spinulose-dentate (teeth in 3–13 pairs), adaxial faces glabrous to sparsely puberulent. Heads borne in racemo-spiciform or glomerate-spiciform arrays. Involucres turbinate, 8–16 × 7–10 mm. Phyllaries apically spreading to reflexed, oblong, apices with green area 1–2 mm, faces prominently stipitate-glandular (at least apically). Ray-florets 0. Disc-florets 9–30; corollas 9–11 mm. Cypselae 5–8 mm, glabrous.
Distribution
Calif., nw Mexico
Discussion
Varieties 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
1 | Leaves sparsely puberulent, not resinous; involucres 8–12 mm; disc florets 9–16, corollas 9–10 mm | Hazardia squarrosa var. grindelioides |
1 | Leaves glabrous or sparsely puberulent, resinous; involucres 11–15 mm; disc florets 18–30, corollas 10–11 mm | > 2 |
2 | Stems glabrous or scabrous; phyllaries erect, ± obtuse-mucronate, glabrous, resinous | Hazardia squarrosa var. obtusa |
2 | Stems distally sparsely hairy or glabrescent; phyllaries recurved, obtuse to acute, glandular | Hazardia squarrosa var. squarrosa |
"fine" is not a number.
... more about "Hazardia squarrosa"
introrse +
connate +
distinct +
herbaceous +
scarious +
hirsute +
papillate +
green +
continuous +
decurrent +
1-nerved +
elliptic +
oblong-obovate;widely obovate +
coriaceous +
ribbed +
stigmatic +
reddish-brown +
persistent +
20;30 +
absent +
Saw-tooth bristleweed +
red-purple +
absent +
ampliate +
4-5-nerved +
dimorphic +
glabrous +
5mm;8mm +
staminate +
straight +
resinous +
gland-dotted +
stipitate-glandular +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
indeterminate +
surrounding +
turbinate +
sessile +
alternate +
cauline +
spreading;erect +
triangular +
spinulose-dentate +
not scarious +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
tough +
thick +
absent +
connate +
1-nerved +
persistent +
distinct +
herbaceous +
falling +
oblong +
unequal +
Erythea +
1894 +
pistillate +
absent +
epaleate +
pitted +
concave;usually flat;conic +
fibrous +
exalbuminous +
modifed +
1;2 +
Illustrated +
alternate +
branched +
erect +
triangular +
2-branched +
glabrous +
Hazardia squarrosa +
Hazardia +
species +
tubular +
longer +
perennial +