Florestina tripteris DC. APNI* Description: Annual herbs, 10–60 cm high; stems erect, nearly glabrescent to hairy.
Leaves simple and compound, mostly 2–5 cm long, 1–2 cm wide, lower ones simple and opposite, upper ones trifoliate and alternate, leaflets ovate, entire, apex acute, faces sparsely to moderately scabrous, usually gland-dotted; petiole 1–3 cm long.
Inflorescence a subcorymbose cyme. Heads c. 4–7 mm diam. Phyllaries 8–14, green 4–6 mm long, with white membranous margins (or rarely somewhat reddish). Disk florets 10–25, white 4–5 mm long; tube glandular-pubescent.
Achenes 2.5–6 mm long, densely to sparsely pubescent with appressed, curled hairs; pappus of 8–10 scales, 0.3–2 mm long, apex rounded to truncate.
Distribution and occurrence: A weed of disturbed sites. Native of southern and south-central Texas, and northern and eastern Mexico.
NSW subdivisions: *CWS, *NWP
Text by S F McCune (July 2021)
Taxon concept: Soto-Trejo et al. (2016) A taxonomic revision of the genus Florestina (Asteraceae, Bahieae), Phytotaxa, 268(2): 91.
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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