atoll research bulletin no. 392 the flora of - Smithsonian Institution ...

Recent introduction. Trop. America. Occasional. Shrub, up to 2 to 3 m tall, with
branches bearing short, stiff, scattered prickles; leaves, up to 30 cm long, alternate,
bipinnate, pinnae 4 to 8 pairs, each with 5 to 13 pairs of leaflets; leaflets, about 2 to 2.5
cm long and up to 1 cm wide, light green, elliptic, obtuse or with shallow notch at apex,
obliquely inequilateral; flowers, on long pedicels in long terminal racemes, petals 5, 15
to 25 mm long, spreading, orbicular or oblong, crinkly-edged, usually long-clawed,
scarlet to orange-red or red-and-yellow, usually with yellow wavy margins, or all yellow
(var. flava); filaments, 5 to 7.5 cm long, mostly scarlet, longer than petals; pedicels, 2.5
to 10 cm long; pods, up to 10 cm long and 2 cm wide, coriaceous, oblong, smooth,
brown to black, several-seeded, dehiscent; seeds, 6 to 8 per pod, brown, compressed,
Planted ornamental. 3(58789), 5(38), 6, 7.
Cajanus cajan (Mill.) Millsp. "pigeon pea", "red gram", arhar dhal (Hindi)
syns. C. indicus Spreng.; C. flavus DC.; Cystisus cajan L.
Pre-World War I1 introduction. India and southeast Asia. Said to have been
introduced in 1935, but not seen in 1978 or thereafter, but possibly re-introduced since
then by expatriate Indian contract employees. Erect, short-lived, perennial pubescent
shrub, 1 to 3 m or higher, with prominently ribbed stems and a pronounced taproot,
sometimes grown as an annual; leaves, spirally arranged, pinnately trifoliate; leaflets, 2.5
to 12 cm long and 1.5 to 4 cm wide, elliptic to lanceolate, acute, dotted beneath with
resin glands, grayish-green pubescent, soon glabrate above, finely silvery-pilose beneath,
longer-stalked terminal leaflet usually larger than short-stalked laterals; petiole, grooved,
about 2 to 8 cm long; stipules, ovate, hairy, about 4 mm long; flowers, about 2.5 cm
long, in long-pedunculate terminal panicles, also axillary and subcapitate-racemose,
subequal to the leaves in length; calyx 4-lobed, two upper lobes united (connate); corolla,
12 to 17 mm in diameter, petals, usually suborbicular, reflexed auriculate at base, bright
yellow, marked with dark reddish-brown to crimson lines within and often flushed with
brown to red without, wings yellow, keel yellow-green; pods, 4 to 10 cm long and 6 to
15 mm wide, linear-oblong, flattened, inflated, pubescent-glandular, pointed, with
diagonal depressions between the seeds, often streaked with purplish black to reddish
brown, tardily dehiscent; seeds, variable in shape and color, 2 to 8, up to 8 mm in
diameter, globose, compressed, cream-colored to reddish or brownish or speckled with
small white hilum, edible. Cultivated food plant.
Calopogonium mucunoides Desv. "calopogonium" , "calopo"
Recent introduction. Trop. America. Rare. Slender creeping or twining perennial
herbaceous vine, coarsely brown-tawny _pubescent; leaves pinnate& trifoliate;-leaflets,
petiolate, nearly equal in size, about 3 to 7 cm long and 2 to 6 cm wide, ovate to
rhomboid, obtuse to apiculate-subacute at apex, densely pubescent; flowers, 7 to 10 mm
long, axillary, short- to long-pedunculate, sessile or nearly so, medium to pale blue or
slightly purplish, sometimes with proximal yellow blotches; pods 2 to 4 cm long and 3 to