Clappia

A. Gray in W. H. Emory

in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 93. 1859.

Etymology: For “Dr. Asahel Clapp, of New Albany, Indiana, one of the most zealous botanists of our Western States….” Quoted from protologue.
Treatment appears in FNA Volume 21. Treatment on page 251.
Revision as of 22:36, 29 July 2020 by imported>Volume Importer
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 TaxonIllustrator 
FNA21 P40 Clappia suaedifolia.jpegClappia suaedifolia
Pseudoclappia arenaria
Jaumea carnosa
Yevonn Wilson-Ramsey
Linda Ann Vorobik
Yevonn Wilson-Ramsey

Subshrubs or shrubs, to 30+ cm (± succulent or fleshy). Stems mostly erect, branched from bases or throughout. Leaves cauline; opposite (proximally) or mostly alternate; sessile; blades linear (subterete), margins mostly entire, rarely distally 3-lobed, faces glabrous. Heads radiate, borne singly. Involucres hemispheric, 6–8 mm diam. Phyllaries 12–16 in 3–4+ series (broadly ovate to obovate, unequal, striate with resinous nerves). Receptacles convex, epaleate (± densely setose with subulate enations). Ray-florets 10–15, pistillate, fertile; corollas yellow. Disc-florets 30–100+, bisexual, fertile; corollas yellow; tubes about equaling or longer than narrowly funnelform throats; lobes 5, narrowly deltate. Cypselae columnar to clavate (10–12-ribbed, sparsely hairy on ribs); pappi persistent, of 12–25 subulate scales in 1 series. x = 16.

Distribution

Tex., Mexico

Discussion

Species 1.

Selected References

None.

... more about "Clappia"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
John L. Strother +
A. Gray in W. H. Emory +
decurrent +
compound +  and simple +
mostly linear;filiform +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
columnar +  and clavate +
fertile +  and bisexual +
fertile +  and bisexual +
Tex. +  and Mexico +
For “Dr. Asahel Clapp, of New Albany, Indiana, one of the most zealous botanists of our Western States….” Quoted from protologue. +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
hemispheric +
alternate +  and opposite +
deltate +
2-carpellate +
persistent +
12 +  and 16 +
in W. H. Emory, Rep. U.S. Mex. Bound. +
bearing subulate enations +, hairy +  and bristly +
12 +  and 25 +
subulate +
exalbuminous +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Clappia +
Asteraceae (tribe Heliantheae) subtribe Clappiinae +
shorter than to longer than funnelform throats +
perennial +, biennial +  and annual +
shrub +  and subshrub +