Stemodia durantifolia
purple stemodia, white woolly stemodia, white-woolly twintip
erect or ascending, 10–100 cm, glandular- and eglandular-hairy.
opposite or whorled proximally, opposite distally;
blade lanceolate to oblong, 15–50(–70) × 3–15(–20) mm, base clasping, margins serrate distally, flat, surfaces sparsely hairy.
terminal, spikes, racemes, or flowers 1–4 per axil;
bracts 4–5 mm.
0–8(–15) mm;
bracteoles [1 or]2, 2–3.5 mm.
calyx lobes narrowly lanceolate, 3–5 mm;
corolla blue-purple, 5–8(–10) mm, puberulent, lobes 1–2 × 1 mm;
style 2–4 mm.
4–5 mm;
style often persistent.
ellipsoid, 2–3 mm.
Stemodia durantifolia
Stemodia durantifolia might be confused with S. maritima Linnaeus, which is found in the Caribbean and along the coast in Mexico and elsewhere in the New World tropics. Stemodia maritima has corollas less than 5 mm and stalked pollen sacs. Florida plants of S. durantifolia are introduced.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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