Aphanostephus ramosissimus
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 5: 310. 1836.
Common names: Plains lazydaisy
Illustrated
Annuals, 10–45 cm; vestiture hispidulo-puberulent, stem hairs spreading to deflexed, 0.2–0.6 mm. Phyllary apices acute. Ray-florets 20–41. Disc-florets: corolla bases not conspicuously swollen and indurate. Cypselae: hairs apically straight; pappi minutely ciliate crowns 0.1–0.2 mm or absent or nearly so. 2n = 8.
Distribution
Ariz., N.Mex., Okla., Tex., Mexico
Discussion
Varieties 3 (2 in the flora).
Selected References
None.
Key
| 1 | Involucres 4.7–7.5 mm; cypselae (1.1–)1.4–1.6 mm; pappi 0 or minutely ciliate rings 0.1–0.2 mm, sometimes nearly smooth at apices | Aphanostephus ramosissimus var. humilis |
| 1 | Involucres 3.2–4.8 mm; cypselae (1–)1.2–1.4 mm; pappi coroniform, indurate, cupuliform, 0.2–0.6 mm, usually minutely ciliate-tipped | Aphanostephus ramosissimus var. ramosissimus |
... more about "Aphanostephus ramosissimus"
introrse +
connate +
distinct +
herbaceous +
scarious +
hirsute +
papillate +
continuous +
decurrent +
1-nerved +
broadly oblanceolate;linear-lanceolate +
ribbed +
stigmatic +
persistent +
absent +
Plains lazydaisy +
swollen +
indurate +
absent +
absent +
monomorphic +
4-12-thick-ribbed +
dimorphic +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
straight +
singly +
indeterminate +
surrounding +
depressed-hemispheric +
alternate +
erect +
deltate +
scarious +
purplish +
broad +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
absent +
tough +
thick +
absent +
connate +
1-nerved +
persistent +
appressed +
distinct +
falling +
ovatelanceolate +
acute +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
1836 +
pistillate +
absent +
fertile +
epaleate +
pitted +
conic +
fibrous +
awn-tipped +
connate +
setiform +
exalbuminous +
modifed +
1;3;4 +
Illustrated +
alternate +
branched +
spreading-hairy +
deltate +
2-branched +
glabrous +
Aphanostephus ramosissimus +
Aphanostephus +
species +
tubular +
hispidulo-puberulent +
taprooted +
annual +