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

Rhaphanus sativus L. var. longipinnatus Bailey "white radish", "daikon" , "Chinese,
Japanese or Oriental radish" loh paak (C)
Pre-World War I1 introduction. E. Asia. Occasional. Erect annual bristly herb, up
to 50 cm or higher, with a large white cylindrical tap root, up to 30 cm long and 10 cm
in diameter, or larger, and normally weighing up to 500 g to 1 kg or more; radical
leaves, up to 50 cm and 12 cm wide, dark green, bristly (setulose), lyrate-pinnatifid, with
8 to 11 pairs of pinnaeTflowers, rarely seen, white to lilac, small, 4-petaled; fruit, 3 to 7
cm long, up to 1.5 cm in diameter, inflated, indehiscent, with 6 to 12 seeds; seeds, about
2.5 to 3 mm in diameter, dark brown, globose. Cultivated in Chinese food gardens at
Location. Leaves and fleshy white tap root cooked as vegetables or eaten raw. 5, 6.
CACTACEAE (Cactus Family)
Cephalocereus sp. " Cephalocereus"
Recent introduction. Tropical America. Rare. Jointed cactus with short, funnel-
shaped, night-blooming flowers. Planted ornamental. 6(204).
Hylocereus undatus (Haw.) Britt. & Rose "night-blooming cereus"
Recent introduction. Mexico. Rare. Large fleshy, green, epiphytic, rambling or
climbing, branching, night-blooming cactus, with 3-angled (3-winged) stems, about 4 to 5
cm in diameter, with scalloped margins, which become more or less horny and bear
cushions 2.5 cm or more apart, each with 1 to 3 short spines, and with aerial roots
growing from the underside of the stems; flowers, about 25 cm long, night-blooming,
lasting only until about noon of the following day, beautiful and showy, fragrant with a
mildly spicy odor, waxy, cup- or funnel-shaped, with many narrow, curved, yellowish-
green outer segments surrounding many white, erect petals, which are longer than the
mass of long, yellow-tipped stamens and a long style tipped with a radiating stigma
having about 24 lobes; fruit, rare, oblong, about 10 cm long, red, containing numerous
black seeds in white pulp, which is refreshing to eat. Immature ornamental pot plant. 6.
Opuntia sp. "prickly pear cactus"
- Recent introduction. TropicalL!unerica. Rare. Succulent, -erect, shrub4ke cactus,
up to 2 m or higher, with flattened light-green, thick (up to 1 cm wide), oboval, paddleblade-like
joints or cushions, about 12 to 30 cm long and 5 to 10 cm wide, smooth or
with spines, up to 1 cm long; leaves, small, nearly cylindrical, short-lived; flowers and
fruit, not seen. Planted ornamental. 5, 6.