Difference between revisions of "Luina"
Hooker’s Icon. Pl. 12: 35, plate 1139. 1873.
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|family=Asteraceae | |family=Asteraceae | ||
|illustrator=Linny Heagy | |illustrator=Linny Heagy | ||
+ | |illustration copyright=Flora of North America Association | ||
|distribution=w North America. | |distribution=w North America. | ||
|reference=None | |reference=None | ||
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|publication year=1873 | |publication year=1873 | ||
|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_1408.xml |
|tribe=Asteraceae tribe Senecioneae | |tribe=Asteraceae tribe Senecioneae | ||
|genus=Luina | |genus=Luina |
Revision as of 20:26, 16 December 2019
Perennials, 15–60 cm (caudices branched). Stems 1–5+, erect to spreading. Leaves cauline; alternate; sessile or petiolate; blades palmately (± parallel) nerved, ovate to lanceolate, margins entire or toothed, abaxial faces tomentose to lanate, adaxial faces tomentulose (gray-green) or glabrous (green). Heads discoid, in corymbiform to subumbelliform arrays. Calyculi 0. Involucres ± turbinate, 3–8 mm diam. Phyllaries persistent, 6–14 in 1–2 series, erect, distinct, ovate to lanceolate or linear, subequal, margins ± scarious. Receptacles flat to convex, smooth or foveolate, epaleate. Ray florets 0. Disc florets 11–26, bisexual, fertile; corollas creamy to bright yellow, tubes longer than cylindric to funnelform throats, lobes 5, erect or spreading to recurved, deltate to lanceolate; style branches stigmatic in 2 lines (joined near tips), apices rounded-truncate. Cypselae terete to fusiform, 9- or 12–15-nerved, glabrous or strigose; pappi persistent, of 80–125, white, barbellulate bristles. x = 30.
Distribution
w North America.
Discussion
Species 2 (2 in the flora).
Selected References
None.
Lower Taxa
Key
1 | Leaf blades ovate to lanceolate (lengths 2–5 times widths); phyllaries ovate to lanceolate, 5–9 mm | Luina hypoleuca |
1 | Leaf blades lanceolate (lengths 5–10 times widths); phyllaries linear, 9–10 mm | Luina serpentina |