Difference between revisions of "Chaetadelpha"
Amer. Naturalist 7: 301. 1873.
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|family=Asteraceae | |family=Asteraceae | ||
|illustrator=Bee F. Gunn | |illustrator=Bee F. Gunn | ||
| + | |illustration copyright=Flora of North America Association | ||
|distribution=sw United States. | |distribution=sw United States. | ||
|reference=tomb1972b | |reference=tomb1972b | ||
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|publication year=1873 | |publication year=1873 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V19-20-21/V19_587.xml |
|tribe=Asteraceae tribe Cichorieae | |tribe=Asteraceae tribe Cichorieae | ||
|genus=Chaetadelpha | |genus=Chaetadelpha | ||
Latest revision as of 20:53, 5 November 2020
Perennials, 15–40 cm; rhizomes stout, branching. Stems 2–4, ascending to suberect, freely branched, glabrous. Leaves basal and cauline (basal withered at flowering); sessile; blades linear to linear-lanceolate, margins entire; distal reduced to scales. Heads borne singly (terminal at ends of stems and branches). Peduncles not inflated, not bracteate. Calyculi of 4–5, minute bractlets. Involucres cylindric, 3–4 mm diam. Phyllaries 5 in 1 series, linear, equal, margins hyaline, apices acute. Receptacles flat, glabrous, epaleate. Florets 5; corollas pale lavender to white. Cypselae light tan, columnar, 5 ridge-angled, faces smooth, without grooves or striations, glabrous; pappi persistent (borne on minute, raised pedestals 0.1 mm), of 5, barbellate awns plus 35–50+, barbellulate bristles in 1–2 series, all ± connate basally (bristles ± in groups alternating with the awns). x = 9.
Distribution
sw United States.
Discussion
Species 1.