Flora of North America species comparison

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Canavalia rosea

bay bean, beach bean, coastal Jack-bean, Mackenzie bean, seaside Jack-bean
Leaves

petiole 2–5.8 cm;

petiolules 3–8.5 mm, moderately densely pubescent, hairs 0.2–0.4 mm;

leaflet blades suborbiculate, elliptic, or oblong, 40–120 × 23–62 mm, base cuneate to rounded, apex emarginate or obtuse, surfaces moderately or densely pubescent or glabrous abaxially, sparsely pubescent adaxially.
Panicles

9–21 cm;

bracteoles 1.2–1.5 × 0.8–1.6 mm, apex obtuse.
Pedicels

1.5–3 mm, strigillose.
Flowers

calyx 10–12 mm;

central lobe of abaxial lip slightly exceeding acute lateral lobes;

corolla lavender to reddish purple, 25–30 mm.
Legumes

turgid to moderately compressed, oblong, 10–15 × 2–3.5 cm.
Seeds

(1–)4–8, red to brown, darkly marbled, slightly compressed, elliptic, 1.5–1.8 × 1.3–2 cm;

hilum to 1/2 length of seed.
Vines

, perennial, herbaceous or woody, to 10 m. Stems twining or prostrate-trailing, pubescent to glabrate.
2n

= 22.

Canavalia rosea
Phenology Flowering year-round.
Habitat Dunes, beaches, scrub ham­mocks, palm groves, salt marsh edges.
Elevation 0–100 m. (0–300 ft.)
Distribution
from FNA
FL; LA; TX; Mexico; Central America; South America; West Indies; Asia; Africa; Atlantic Islands; Pacific Islands; Australia
[WildflowerSearch map]
[BONAP county map]
Discussion

Canavalia rosea is frequent in Dixie County and central and southern peninsular Florida (R. P. Wunderlin and B. F. Hansen 2011), as well as being found in south coastal Texas in Cameron and Kenedy counties. D. Isely (1990) reported Canavalia rosea also from Alabama and Mississippi; corresponding specimens from those localities were not seen.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Canavalia
Sibling taxa
C. brasiliensis, C. ensiformis, C. gladiata
Synonyms Dolichos roseus, C. maritima, D. maritimus
Name authority (Swartz) de Candolle in A. P. de Candolle and A. L. P. P. de Candolle: Prodr. 2: 404. (1825)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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