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FNA | Family List | FNA Vol. 20 | Asteraceae | Ampelaster

1. Ampelaster carolinianus (Walter) G. L. Nesom, Phytologia. 77: 250. 1995.

Climbing aster

Aster carolinianus Walter, Fl. Carol., 208. 1788; A. scandens J. Jacquin ex Sprengel; Symphyotrichum carolinianum (Walter) Wunderlin & B. F. Hansen; Virgulus carolinianus (Walter) Reveal & Keener

Plants deciduous to evergreen by production of new growth, sprawling, climbing over other plants. Stems weak, 5–10 mm diam., branches at right angles. Leaf blades 30–70 × 10–15(–20) mm, reduced distally, membranous, bases auriculate-clasping, apices acuminate. Heads 1–15 per branch. Peduncles 1–4 cm, densely pilose; bracts lanceolate to ovate, 3–10 mm. Ray florets: laminae 9–15(–20) × 1–1.6 mm; style-branch appendages narrowly triangular. Disc florets corollas 6–8 mm, limbs 50–60% corollas, lobes 0.6–1.1 mm, 10–20% corollas. Cypselae usually tan to brown, sometimes mottled purple to black between light colored ribs, 3.5–4.3 mm; pappi shorter than disc corollas. 2n = 18.

Flowering peak late fall–winter, year round (Fla.). Marshy shores, stream banks, edges of swamps and moist thickets, wet woodlands; 0–30 m; Fla., Ga., N.C., S.C.

Ampelaster carolinianus grows on the outer coastal plain. It is possibly extirpated in North Carolina.


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