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Stylisma aquatica (Walter) Rafinesque. Water Dawnflower. Phen: (May-) Jun-Jul (-Aug). Hab: Clay-based Carolina bays, wet pine savannas, margins of pineland ponds (vernal pools). Dist: Se. and sc. NC south to c. FL and Panhandle FL, west to se. AR and e. TX.

ID notes: Stylisma aquatica, as the epithet implies, occurs in wetter (or at least moister) habitats than our other species. The bright pink flowers and densely silvery-hairy leaves are distinctive.

Origin/Endemic status: Endemic

Synonymy : = Fl6, FNA14, GW2, K1, K3, K4, S, Tx, WH3, Myint (1966); = Bonamia aquatica (Walter) A.Gray – RAB, Shinners (1962d); = Bonamia michauxii (Fernald & Schub.) K.A.Wilson – Wilson (1960b); = Breweria aquatica (Walter) A.Gray – Fernald & Schubert (1949); = Breweria michauxii Fernald & Schub. – F

Links to other floras: = Stylisma aquatica - FNA14

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: FACW
  • Great Plains: FACW

Heliophily : 8

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image of plant© Janet Gray | Original Image ⭷
image of plant© Janet Gray | Original Image ⭷
image of plant© Janet Gray | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Spreading-prostrate, herbaceous perennial vine found in clay-based Carolina bays and wet savannas, margins of pineland ponds.

Stems: Stems several-many, the basal portions appearing rhizomatous; often forming large mats.

Leaves: Leaves alternate, sessile, oblong, 3/4-1 1/4 in. long, with a tiny tooth at the tip and silky-hairy.

Inforescence:

Flowers: Flowers in groups of 1-3 on long stalks (longer than leaves) from leaf axils, pale pink or purple, 1/3-1/2 in. long, the corolla bell- to funnel-shaped and composed of fused petals. At the base of the corolla are 5 leathery, lance-shaped sepals, and there are 5 stamens and a style that is split more than half its length .

Fruits: Fruit a 4-seeded capsule.

Comments:

Height: 1 1/2-6 1/2 ft. long

plant sale text:

bloom table text:

description: Spreading-prostrate, herbaceous perennial vine found in clay-based Carolina bays and wet savannas, margins of pineland ponds.

stems: Stems several-many, the basal portions appearing rhizomatous; often forming large mats.

leaves: Leaves alternate, sessile, oblong, 3/4-1 1/4 in. long, with a tiny tooth at the tip and silky-hairy.

inflorescence:

flowers: Flowers in groups of 1-3 on long stalks (longer than leaves) from leaf axils, pale pink or purple, 1/3-1/2 in. long, the corolla bell- to funnel-shaped and composed of fused petals. At the base of the corolla are 5 leathery, lance-shaped sepals, and there are 5 stamens and a style that is split more than half its length .

fruits: Fruit a 4-seeded capsule.

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