Chamaecrista flexuosa
Chamaecrista deeringiana
Texas sensitive pea
Florida keys sensitive pea
erect, not or weakly branched.
3–8.5 cm;
petiole 3–7 mm;
extrafloral nectary 1, subsessile or shortly stipitate;
leaflets 8–18(–20) pairs, blades lanceolate- or linear-oblong, 9–20 × 2–3.3 mm.
1–4-flowered, supra-axillary.
(6–)8–22(–26) mm;
bracteoles distal to mid pedicel.
calyx greenish, sepal venation reticulate;
corolla rich yellow, petals all or some reddish spotted at claw, to (6–)8–22(–26) mm;
stamens 10;
anthers all or some yellow, dull reddish, or both, to 8–10.5 mm;
ovary often hairy, sometimes glabrous.
straight or slightly curved, linear, 35–75(–85) × 4.5–6 mm.
(2.8–)3.2–4.8 mm.
flexuosa tends to have larger leaves (4–14 cm) with more leaflet pairs (usually 25–65, rarely as few as 20).
Chamaecrista flexuosa
Chamaecrista deeringiana
Varieties 2 (1 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
The horizontal root system of Chamaecrista deeringiana, the only feature distinguishing this species from sympatric specimens of C. fasciculata, is interpreted as an adaptation to its fire-prone habitat.
Chamaecrista deeringiana is locally abundant in central and southern peninsular Florida, and in western Florida northward into Baldwin County, Alabama; it has also been documented from Peach and Taylor counties, Georgia, and Harrison County, Mississippi.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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