Difference between revisions of "Engelmannia"
Trans. Amer. Philos. Soc., n. s. 7: 343. 1840. (as Englemannia)
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|place=7: 343. 1840 | |place=7: 343. 1840 | ||
|year=1840 | |year=1840 | ||
| + | |other_info_on_pub=(as Englemannia) | ||
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|basionyms= | |basionyms= | ||
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|family=Asteraceae | |family=Asteraceae | ||
|illustrator=John Myers | |illustrator=John Myers | ||
| + | |illustration copyright=Flora of North America Association | ||
|distribution=sw United States;n Mexico. | |distribution=sw United States;n Mexico. | ||
|reference=None | |reference=None | ||
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|publication year=1840 | |publication year=1840 | ||
|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_203.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 16:09, 30 November 2022
Perennials, 20–50(–100) cm (taproots or caudices becoming woody). Stems erect (coarsely strigose, hispid, or hirsute), usually branched (at least distally, sometimes branched from bases, aerial stems multiple). Leaves basal and cauline; alternate; petiolate (basal and proximal cauline) or sessile (distal); blades (pinnately nerved) mostly oblong to lanceolate, usually 1(–2)-pinnately lobed, bases ± cuneate, ultimate margins entire, faces coarsely strigose, hispid, or hirsute. Heads radiate, in open, corymbiform arrays. Involucres hemispheric, 6–10 mm diam. Phyllaries persistent (outer) or falling (inner, with cypselae), mostly 18–24+ in ± 3 series (outer with relatively short, expanded, indurate bases and longer, linear, herbaceous tips, inner broadly ovate, mostly indurate, scarious-margined, herbaceous tips relatively broader and shorter, tending to split along midveins in age). Receptacles flat, paleate (paleae linear to narrowly oblong, hirsute-ciliate at tips). Ray florets 8–9 (each subtended by an inner phyllary), pistillate, fertile; corollas yellow (laminae oblong-elliptic, entire or minutely 2–3-toothed). Disc florets 25–50, functionally staminate; corollas yellow, tubes shorter than campanulate throats, lobes 5, ± deltate (anthers black, appendages deltate, obtuse; styles not branched). Cypselae obcompressed or obflattened, obovate (each falling with subtending phyllary, 2–4, indurate paleae, plus sterile ovaries of 2–4 disc florets, margins ± ciliate, faces strigose to pilose); pappi persistent or tardily falling, of 2–4, ciliate scales. x = 9.
Distribution
sw United States, n Mexico.
Discussion
Species 1.
Selected References
None.