Difference between revisions of "Enceliopsis"
Bot. Gaz. 47: 432. 1909.
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|discussion=<p>Species 3 (3 in the flora).</p> | |discussion=<p>Species 3 (3 in the flora).</p> | ||
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| − | |references= | + | |references={{Treatment/Reference |
| + | |id=sanders1987a | ||
| + | |text=Sanders, D. L. and C. Clark. 1987. Comparative morphology of the capitulum of Enceliopsis. Amer. J. Bot. 74: 1072–1086. | ||
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|family=Asteraceae | |family=Asteraceae | ||
|distribution=w North America. | |distribution=w North America. | ||
| − | |reference= | + | |reference=sanders1987a |
|publication title=Bot. Gaz. | |publication title=Bot. Gaz. | ||
|publication year=1909 | |publication year=1909 | ||
|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/V21_269.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Ecliptinae | ||
Latest revision as of 20:11, 5 November 2020
Perennials 15–100+ cm (caudices or taproots woody). Stems erect, branched from bases. Leaves basal; alternate; petiolate or sessile; blades 3-nerved, elliptic, ovate, rhombic, or suborbiculate, bases ± cuneate to nearly truncate, margins entire (sometimes corrugate or ruffled), faces densely puberulent or silky-velutinous. Heads radiate, borne singly (peduncles much longer than involucres). Involucres ± hemispheric or broader, 10–30+ mm diam. Phyllaries persistent, 30–65+ in 3–6 series. Receptacles convex, paleate (paleae ± conduplicate, folded around and falling with cypselae). Ray florets (11–)20–35+, neuter; corollas yellow. Disc florets (50–)200–500+, bisexual, fertile; corollas yellow, tubes shorter than to equaling abruptly expanded throats, lobes 5, triangular. Cypselae strongly compressed or flattened, ± cuneate (margins ± white, corky, usually ciliate, faces black, glabrous or ± silky-villous); pappi 0, or persistent, of 2 awns (often with 2–10+, often connate, minute scales or teeth as well). x = 18.
Distribution
w North America.
Discussion
Species 3 (3 in the flora).
Selected References
Key
| 1 | Herbage dull gray; petioles not or barely winged; leaf blades ovate to suborbiculate | Enceliopsis nudicaulis |
| 1 | Herbage silvery; petioles winged (wings merging with blades); leaf blades rhombic or widely elliptic | > 2 |
| 2 | Ray corolla laminae deep yellow, 12–30 mm (lengths 1–1.2 times disc diams.) | Enceliopsis argophylla |
| 2 | Ray corolla laminae light yellow, 30–50 mm (lengths 1.5–2 times disc diams.) | Enceliopsis covillei |