Abutilon trisulcatum

(Jacquin) Urban

Repert. Spec. Nov. Regni Veg.16: 32. 1919

Synonyms: Abutilon nealleyi A. ramosissimum A. triquetrum
Basionyms: Sida trisulcata
Found in FNA Volume 6. Treatment on page 227. Mentioned on page 220, 221.
Herbs, annual, sometimes perennial, or subshrubs, 1–2.5 m. Stems erect, prominently 3-sulcate when young, minutely puberulent, usually viscid (especially in inflorescence). Leaves: stipules subulate, 2–4 mm; petiole usually shorter than blade; blade slightly discolorous, ovate, 6–11 cm, longer than wide, base cordate, margins crenulate-serrulate, apex acuminate, surfaces tomentulose, obscured by pubescence. Inflorescences terminal, open panicles. Flowers: calyx 3–4 mm, lobes not overlapping, erect in fruit, lanceolate-ovate; corolla sometimes reflexed, yellow, often with dark red center, petals 4–6 mm; staminal column glabrous; style 5-branched. Schizocarps subcylindric, usually medially constricted, 6–8 × 5–8 mm; mericarps: apex apiculate, minutely puberulent. Seeds 3 per mericarp, 2 mm, minutely pubescent. 2n = 14.

Phenology: Flowering winter–spring.
Habitat: Dry shrublands, disturbed vegetation, roadsides
Elevation: 0–300 m

Distribution

Tex., Mexico, West Indies, Central America.

Discussion

Abutilon trisulcatum occurs from Texas to Nicaragua and in the West Indies. It is a common roadside weed in most of Mexico, and has been found in southern Texas in Cameron and Hidalgo counties.

References

None.

Facts about "Abutilon trisulcatum"
AuthorPaul A. Fryxell† + and Steven R. Hill +
BasionymSida trisulcata +
Elevation0–300 m +
HabitatDry shrublands, disturbed vegetation, roadsides +
IllustratorLinny Heagy +
PhenologyFlowering winter–spring. +
ReferenceNone +
SynonymAbutilon nealleyi +, A. ramosissimum + and A. triquetrum +
Taxon nameAbutilon trisulcatum +
Taxon parentAbutilon +
Taxon rankspecies +
VolumeVolume 6 +