Tephrosia florida
Tephrosia curtissii
Florida hoary-pea or goat's-rue, Florida hoarypea
Curtiss' hoary-pea
prostrate to procumbent, 10–80 cm, glabrous or strigulose.
ascending-erect to sprawling, becoming prostrate, 10–45 cm, glabrous.
petiole usually (10–)20–40 mm;
leaflets (5 or)7–13(or 15), blades bicolored (darker abaxially), narrowly oblanceolate to oblong-oblanceolate or obovate-elliptic, 17–35 × (1.5–)3–9(–11) mm, length (2.5–)3–6 times width, apex obtuse to rounded or truncate and slightly retuse, abaxial surface usually finely and evenly sparsely strigose, rarely hirsute to hirsute-strigose, hairs relatively short, not overlapping, venation distinctly reddish, adaxial glabrate.
petiole 6–16 mm;
leaflets (9 or)11–15(–19), blades oblong-elliptic to oblanceolate-oblong, (9–)12–25(–30) × 3–6 mm, length 3–6 times width, apex rounded to truncate or retuse, surfaces minutely strigulose, abaxial veins greenish to reddish.
axillary and terminal, 2–6-flowered, evident (flowers well above level of leaves), 5–15(–25) cm;
floral bracts persistent, linear-subulate.
5–11-flowered, 4–10 cm;
floral bracts persistent, linear.
corolla yellowish white to white, aging dark purple, 10–14 mm;
stamens diadelphous;
style bearded.
corolla pale pink to purple, 7–10 mm;
stamens monadelphous;
style glabrous.
25–40 × 4–5 mm, sparsely strigulose.
35–47 × 3–4 mm, sparsely hirsutulous.
Tephrosia florida
Tephrosia curtissii
Tephrosia florida is recognized by its relatively small, elongate, bicolored leaves with abaxial surfaces strigulose and with reddish venation (including secondary and tertiary veins).
Tephrosia × intermedia (Small) G. L. Nesom & Zarucchi is a putative hybrid between T. chrysophylla and T. florida (C. E. Wood Jr. 1949; D. Isely 1998; G. L. Nesom and J. L. Zarucchi 2009). Synonyms are Cracca intermedia Small, C. floridana Vail, C. smallii Vail, and T. × floridana (Vail) Isely. The hybrid is said to occur in association with the two putative parents, sporadically from Alabama, Florida, Georgia, and Mississippi, and its origin as a recurrent hybrid seems a reasonable hypothesis. According to Isely, it most closely resembles T. florida, differing in its shorter petioles and broader, fewer leaflets; both parents are variable in these features, and it is difficult to confirm that the putative hybrids are consistently intermediate in morphology. Perhaps the only sure way to identify the hybrid is to see it in the field, in company with the parents and in contrast to them.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Tephrosia curtissii is known from Brevard, Broward, Hendry, Hillsborough, Miami-Dade, Palm Beach, and Volusia counties.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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