Difference between revisions of "Chromolaena frustrata"
Phytologia 20: 201. 1970.
Common names: Cape Sable false thoroughwort
Basionym: Eupatorium frustratum B. L. Robinson Proc. Amer. Acad. Arts 47: 193. 1911
Synonyms: Osmia frustrata (B. L. Robinson) Small
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Revision as of 20:35, 16 December 2019
Perennials, 15–25 cm. Stems erect, puberulent to hispidulous. Petioles 5–12 mm. Leaf blades (3-nerved) elliptic-lanceolate to ovate-lanceolate or deltate-ovate, mostly 1.5–4 × 0.7–2.2 cm, margins shallowly dentate to serrate. Heads usually in clusters of 2–6. Involucres cylindric, 5.5–7.5(–8) mm. Phyllaries in 4–6 series, apices of the inner appressed, rounded (not petaloid or expanded). Corollas blue to lavender.
Phenology: Flowering mostly Aug–Nov, sometimes year round.
Habitat: Coastal rock barrens, edges of rockland hammocks, undisturbed sites
Elevation: 0–10 m
Discussion
Chromolaena frustrata now grows in the Everglades National Park, Long Key State Recreation Area, Lignumvitae Key State Botanical Site, and two unprotected sites. The historical range includes more sites on the Keys.
Selected References
None.
Lower Taxa
None.