Sida spinosa Linnaeus. Common name: Prickly Sida, Prickly-mallow, False-mallow. Phenology: (May-) Jun-Nov. Habitat: Disturbed areas, wet fields. Distribution: Native of the Neotropics and Paleotropics.
Origin/Endemic status: Pantropics
Synonymy ⓘ: = Ar, Bah, C, Can, F, Fl4, FNA6, G, GrPl, Il, K4, Mi, Mo3, NcTx, NE, NS, NY, Pa, POWO, RAB, S, Tat, Tn, Tx, Va, W, WH3, WI, WV, Fryxell (1985); > Sida angustifolia Lam. — S13; > Sida spinosa L. — S13; Sida spinosa L. Basionym: Sida spinosa L. 1753
Links to other floras: = Sida spinosa - FNA6
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: FACU
- Eastern Mountains and Piedmont: UPL
- Great Plains: UPL
- Midwest: FACU
- Northcentral & Northeast: FACU
Heliophily ⓘ: 8
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Horticultural Information
Intro: Erect annual of disturbed areas, especially wet fields. Native of the Neotropics and Paleotropics.
Stems: Stems branched, covered with white hairs.
Leaves: Leaves alternate, on petioles with spine-like stipules at the base, oval-elliptic to lance-shaped, to 2 in. long, toothed, finely hairy beneath.
Inforescence:
Flowers: Flowers single to several on short stalks arising from leaf axils, light yellow to orange-yellow, 1/3 in. wide, consisting of 5 floppy, asymmetric petals and a fused column of 5 styles and numerous stamens.
Fruits: Fruit a ring of about 5 joined pod-like, kidney-shaped segments, each with 2 beaks, the ring surrounded by persistent, triangular calyx lobes.
Comments:
Height: 1-3 ft.
plant sale text:
bloom table text:
description: Erect annual of disturbed areas, especially wet fields. Native of the Neotropics and Paleotropics.
stems: Stems branched, covered with white hairs.
leaves: Leaves alternate, on petioles with spine-like stipules at the base, oval-elliptic to lance-shaped, to 2 in. long, toothed, finely hairy beneath.
inflorescence:
flowers: Flowers single to several on short stalks arising from leaf axils, light yellow to orange-yellow, 1/3 in. wide, consisting of 5 floppy, asymmetric petals and a fused column of 5 styles and numerous stamens.
fruits: Fruit a ring of about 5 joined pod-like, kidney-shaped segments, each with 2 beaks, the ring surrounded by persistent, triangular calyx lobes.
comments:
cultural notes:
germination code:
native range:
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