Thymophylla pentachaeta var. hartwegii
Sida 11: 377. 1986.
Basionym: Hymenatherum hartwegii A. Gray Smithsonian Contr. Knowl. 3(5): 117. 1852
Synonyms: Dyssodia hartwegii (A. Gray) B. L. Robinson Dyssodia pentachaeta var. hartwegii (A. Gray) Strother
Treatment appears in FNA Volume 21. Treatment on page 242.
Revision as of 22:34, 29 July 2020 by imported>Volume Importer
Leaves 12–34 mm overall, lobes 3–7, unequal (terminal lobes usually notably longer than laterals). Peduncles 2–5 cm. Calyculi of 3–5 bractlets. Involucres cylindric, 3–5 × 2–3.5 mm. Phyllaries ca. 13, margins of outer distinct 1/3 or less their lengths, abaxial faces sparsely puberulous, often glabrescent. Disc-florets 16–40. Pappi of 5 erose scales alternating with 5, 1–3-aristate scales.
Phenology: Flowering early spring and late summer, following rains.
Habitat: Calcareous outcrops and bluffs, deserts
Elevation: 1500–2500 m
Distribution
Ariz., N.Mex., Tex., Mexico
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Thymophylla pentachaeta var. hartwegii"
puberulous +
glabrescent +
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
continuous +
decurrent +
lobed +
winged;ribbed;winged;ribbed +
deltate +
stigmatic +
20;50 +
absent +
zygomorphic +
monomorphic +
dimorphic +
2mm;3mm +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
cylindric +
singly +
discoid +
indeterminate +
surrounding +
cylindric +
2mm;6mm +
1mm;3mm +
opposite +
cauline +
1/5;lengths +
distinct +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Sida +
1986 +
pistillate +
absent +
fertile +
epaleate +
convex +
fibrous +
alternating +
distinct +
1-3-aristate +
exalbuminous +
modifed +
1;2 +
Illustrated +
alternate +
branched +
2-branched +
papillate +
Thymophylla pentachaeta var. hartwegii +
Thymophylla pentachaeta +
variety +
cylindric +
shorter +
much longer +
perennial +
less grayish;green +
subshrub +