Difference between revisions of "Chromolaena bigelovii"
Phytologia 20: 208. 1970.
Common names: Bigelow’s false thoroughwort
Basionym: Eupatorium bigelovii A. Gray
Synonyms: Eupatorium madrense S. Watson
Treatment appears in FNA Volume 21. Treatment on page 544.
FNA>Volume Importer |
(No difference)
|
Revision as of 00:54, 27 July 2019
Shrubs, 50–150 cm. Stems erect, sparsely puberulent. Petioles 1–4 mm. Leaf blades deltate to deltate-lanceolate or ovate-lanceolate, 3–7 × 1–4 cm, margins serrate to dentate (abaxial faces reticulate-veiny with raised whitish, secondary veins, minutely gland-dotted). Heads usually in 3s, sometimes borne singly. Peduncles 0 or 2–8(–12) mm. Involucres turbinate to campanulate, 5–7 mm. Phyllaries in 4–5 series, apices of the inner appressed, acute (not petaloid or expanded). Corollas pale blue or white.
Phenology: Flowering Oct–Dec.
Habitat: Dry limestone hills in oak woodlands, talus
Elevation: 1000–1800 m
Distribution
Tex., Mexico (Coahuila, Nuevo León, San Luis Potosí).
Discussion
Selected References
None.
Lower Taxa
None.