Koanophyllon villosum
Phytologia 32: 265. 1975.
Common names: Florida Keys umbrella thoroughwort
Basionym: Eupatorium villosum Swartz Prodr., 111. 1788
Treatment appears in FNA Volume 21. Treatment on page 542.
Revision as of 20:34, 16 December 2019 by FNA>Volume Importer
Shrubs, 50–200 cm. Stems densely puberulent to pilose (often minutely gland-dotted). Leaves opposite; petioles 2–8 mm; blades ovate to ovate-deltate or ovate-lanceolate, mostly 2–7(–8) × 1–4 cm, bases truncate to cordate, margins entire or shallowly serrate to crenate, apices obtuse, abaxial faces densely gland-dotted, adaxial sparsely puberulent. Involucres 2.8–3 mm. Phyllaries: outermost elliptic-lanceolate, hispidulous-puberulent, margins herbaceous, mostly eciliate. Corollas white or pinkish white, 2.2–2.6 mm, lobes glandular. Cypselae 1.5–1.8 mm, finely hispidulous-strigose.
Phenology: Flowering year round, perhaps most abundantly May–Sep.
Habitat: Hammocks, pinelands
Elevation: 0–10 m
Distribution
Fla., West Indies (Bahamas).
Discussion
Selected References
None.
Lower Taxa
None.