Difference between revisions of "Doellingeria umbellata"
Gen. Sp. Aster., 178. 1832.
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|common_names=Tall flat-topped white aster;parasol whitetop;aster à ombelle | |common_names=Tall flat-topped white aster;parasol whitetop;aster à ombelle | ||
| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Aster umbellatus | |name=Aster umbellatus | ||
|authority=Miller | |authority=Miller | ||
| + | |publication_title=Gard. Dict. ed. | ||
| + | |publication_place=8, Aster no. 22. 1768 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1832 | |publication year=1832 | ||
|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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V19-20-21/V20_57.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Doellingeria | |genus=Doellingeria | ||
Revision as of 18:43, 24 September 2019
Plants 50–200 cm (short to long-rhizomatous, sometime colonial). Stems 1–10(–20), ascending to erect, striate, glabrous or sparsely hairy. Cauline leaves: mid and distal crowded, blades broadly to narrowly elliptic, (35–)60–110(–150) × (5–) 13–25(–35) mm, ± reduced distally, not stiff, bases attenuate, margins entire, involute, finely ciliate, apices acuminate, faces glabrous or sparsely hairy, especially along veins abaxially, or densely hairy. Heads (3–)20–100(–300+). Peduncles 1–10 mm, moderately to densely canescent; bracts linear-lanceolate to elliptic. Involucres 3–5 mm. Phyllaries in 3–4 series, triangular-lanceolate, midveins not swollen, apices finely subulate, strigose. Rays (2–)5–10(–16); laminae (4–)7–10(–12.3) × (0.8–) 1.2–1.8(–2.7) mm. Disc florets (5–)11–26(–50); corollas 3.5–6 mm, lobes 2–3.2 mm, 60–75% of limb. Cypselae 1.4–3.2 mm, 4–6-ribbed, sparsely to densely strigose; pappi: outer 0.2–0.8 mm, inner 3.5–6.2 mm. 2n = 18.
Distribution
e North America.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Leaves: abaxial faces sparsely piloso-villous (fewer than 10 hairs/mm 2); Newfoundland to Minnesota, s to n Alabama and Georgia | Doellingeria umbellata var. umbellata |
| 1 | Leaves: abaxial faces densely puberulent (more than 12 hairs/mm 2); n Ontario, s Manitoba (disjunct to Alberta) s to Nebraska, Iowa, Illinois | Doellingeria umbellata var. pubens |