Cuphea glutinosa |
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sticky waxweed |
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Habit | Herbs perennial, 1–4 dm, with fibrous roots. |
Stems | often several from base, erect to decumbent, branched or unbranched, glandular-hispid and puberulent. |
Leaves | opposite, sessile or subsessile; petiole 0–1 mm; blade ovate-lanceolate to oblong or elliptic, 5–15[–20] × 2–7[–10] mm, base cuneate to rounded. |
Racemes | leafy. |
Pedicels | 0–3 mm. |
Flowers | alternate, solitary, interpetiolar; floral tube green abaxially, purple adaxially, 5.5–8(–9) × 2–2.5 mm, sparsely glandular-hispid; base rounded, 0.5 mm; inner surface glabrous proximally, villous distal to stamens; epicalyx segments thick, not terminated by a bristle; sepals equal; petals (2–)6, oblanceolate or oblong, unequal, 4 abaxial ones pale purple and 4–4.7 × 2.5–2.8 mm, 2 adaxial ones purple [deep purple or with deep purple midvein] and 4 × 1.5–1.9 mm; stamens 11, reaching or surpassing sinus of sepals. |
Seeds | 8–13(–20), suborbiculate in outline, 1.5–2 × 1.5–1.7 mm, margin rounded. |
2n | = 28, 32 (Bolivia), 34 (Paraguay). |
Cuphea glutinosa |
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Phenology | Flowering spring–summer. |
Habitat | Moist areas in open woods and pastures. |
Elevation | 10–200 m. (0–700 ft.) |
Distribution |
LA; TX; South America [Introduced in North America] |
Discussion | First noted in the United States in 1884 in Vermilion Parish, Louisiana, Cuphea glutinosa is now more widespread in southern Louisiana and occurs in four counties in eastern Texas. The species is agamospermous in the United States, with sterile pollen but producing abundant seed. Sexually reproductive plants occur in eastern Brazil. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 10. |
Parent taxa | |
Sibling taxa | |
Synonyms | Parsonsia glutinosa |
Name authority | Chamisso & Schlechtendal: Linnaea 2: 369. (1827) |
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