Sartwellia

A. Gray

Smithsonian Contr. Knowl. 3(5): 122, plate 6. 1852.

Etymology: For Henry P. Sartwell, 1792–1867, “one of my earliest and most valued botanical correspondents….” Quoted from protologue.
Treatment appears in FNA Volume 21. Treatment on page 246. Mentioned on page 245.
 TaxonIllustrator 
FNA21 P38 Thymophylla pentachae.jpegThymophylla pentachaeta var. pentachaeta
Sartwellia flaveriae
Barbara Alongi
Bee F. Gunn

Perennials, 10–30 cm (± succulent). Stems ascending to erect, branched from at or near bases. Leaves cauline; opposite; sessile; blades linear to filiform, margins entire, faces glabrous or glabrescent. Heads radiate, in tight, corymbiform arrays. Involucres campanulate, 2–3 mm diam. Phyllaries persistent, 5 in 1 series (usually yellowish, sometimes greenish, oblong to obovate, subequal, ± membranous). Receptacles flat, epaleate. Ray-florets 3–5, pistillate, fertile; corollas yellow. Disc-florets 5–15, bisexual, fertile; corollas yellow, tubes shorter than or equaling funnelform throats, lobes 5, ± deltate. Cypselae ± cylindric (10-ribbed); pappi persistent, usually of 5 muticous scales alternating with 5 subulate scales or coarse bristles, sometimes the 10 elements connate, forming a ± erose cup. x = 18.

Distribution

sw United States, Mexico

Discussion

Species 3 (1 in the flora).

... more about "Sartwellia"
not tailed +, rounded +  and obtuse +
connate +  and distinct +
subequal +
scarious +
usually ovate +  and lanceolate +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
John L. Strother +
A. Gray +
decurrent +
compound +  and simple +
linear;filiform +
winged;ribbed;winged;ribbed +
tuberculate +  and rugose +
barbellulate +  and barbellate +
hairy +  and glabrous +
cylindric +
fertile +  and bisexual +
fertile +  and bisexual +
sw United States +  and Mexico +
For Henry P. Sartwell, 1792–1867, “one of my earliest and most valued botanical correspondents….” Quoted from protologue. +
glabrescent +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
corymbiform +  and paniculiform +
indeterminate +
homogamous +  and heterogamous +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
campanulate +
deltate +
toothed +  and entire +
2-carpellate +
persistent +
coroniform +
Smithsonian Contr. Knowl. +
bearing subulate enations +, hairy +  and bristly +
flat;convex +
turner1971a +
alternating +
subulate +  and muticous +
exalbuminous +
ascending +  and erect +
appendaged +  and truncate +
hirsutulous +  and glabrous +
papillate +
Compositae +
Sartwellia +
Asteraceae (tribe Heliantheae) subtribe Flaveriinae +
campanulate +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +