Difference between revisions of "Rainiera"
Pittonia 3: 291. 1898.
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|family=Asteraceae | |family=Asteraceae | ||
|illustrator=Linny Heagy | |illustrator=Linny Heagy | ||
| + | |illustration copyright=Flora of North America Association | ||
|distribution=nw United States. | |distribution=nw United States. | ||
|reference=None | |reference=None | ||
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|publication year=1898 | |publication year=1898 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V19-20-21/V20_1411.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Rainiera | |genus=Rainiera | ||
Revision as of 20:26, 16 December 2019
Perennials, mostly 30–100 cm (rhizomes fibrous-rooted). Stems usually 1, erect (seldom branched, fistulose). Leaves basal and cauline; alternate; petiolate; blades palmately (± parallel) nerved, oblanceolate to spatulate, margins entire or toothed, faces glabrous or glabrate. Heads discoid, (30–70+) in racemiform or subthyrsiform arrays. Calyculi 0. Involucres turbinate to cylindric, 3–4+ mm diam. Phyllaries persistent, (4–)5(–8) in 1–2 series, erect, distinct, ovate to lanceolate, subequal, margins scarious (± keeled along mid-nerves, abaxially arachno-tomentose). Receptacles flat, alveolate, epaleate. Ray florets 0. Disc florets (4–)5(–8), bisexual, fertile; corollas usually yellow, rarely purple-tinged, tubes longer than cylindric throats, lobes 5, erect to spreading, lanceolate; style branches stigmatic in 2 lines, apices rounded-truncate. Cypselae (brown) ± terete, 10–20-nerved, glabrous; pappi persistent, of 150–200, white or stramineous, barbellulate bristles (in 3–4 series).
Distribution
nw United States.
Discussion
Species 1.
Selected References
None.