Difference between revisions of "Koanophyllon solidaginifolium"

(A. Gray) R. M. King & H. Robinson

Phytologia 22: 151. 1971.

Common names: Shrubby umbrella thoroughwort
Basionym: Eupatorium solidaginifolium A. Gray Smithsonian Contr. Knowl. 3(5): 87. 1852
Treatment appears in FNA Volume 21. Treatment on page 542.
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|tribe=Asteraceae tribe Eupatorieae
 
|tribe=Asteraceae tribe Eupatorieae
 
|genus=Koanophyllon
 
|genus=Koanophyllon

Latest revision as of 20:10, 5 November 2020

Perennials or subshrubs (shrubs), 60–100 cm. Stems mostly sparsely puberulent (hairs upcurved or apically bent). Leaves mostly opposite, sometimes subopposite to alternate on distal 1/3 of stems; petioles 2–8(–12) mm; blades lanceolate, mostly 3–8(–11) × 1–3 cm, bases rounded, margins entire or shallowly crenate, apices acuminate, abaxial faces eglandular, adaxial glabrous. Involucres 4.5–5.5 mm. Phyllaries: outermost narrowly lanceolate, glabrous, margins hyaline on proximal 2/3, eciliate. Corollas usually white, sometimes purple-tinged to yellowish, 2.5–3 mm, lobes glandular. Cypselae 1.8–2.8 mm, sparsely hispidulous. 2n = 20.


Phenology: Flowering (Jun–)Sep–Nov(–Dec).
Habitat: Canyon walls, ledges, slopes, talus, limestone hills and ridges, on and among rocks, in woods along streams
Elevation: 700–1600 m

Distribution

V21-1378-distribution-map.gif

Tex., Mexico (Chihuahua, Coahuila, Durango, Zacatecas).

Discussion

Selected References

None.

Lower Taxa

None.
Guy L. Nesom +
(A. Gray) R. M. King & H. Robinson +
Eupatorium solidaginifolium +
Shrubby umbrella thoroughwort +
Tex. +, Mexico (Chihuahua +, Coahuila +, Durango +  and Zacatecas). +
700–1600 m +
Canyon walls, ledges, slopes, talus, limestone hills and ridges, on and among rocks, in woods along streams +
Flowering (Jun–)Sep–Nov(–Dec). +
Compositae +
Koanophyllon solidaginifolium +
Koanophyllon +
species +