Tên Khoa học: Capparis gialaiensis Sy
Tên tiếng Anh:
Tên tiếng Việt: Cáp gia lai; Bún gia lai
Tên khác:

Scandent shrubs, up to 10 m high. Innova­tions hairy. Spines 0.5-1 nun long, recurved downwards. Petiole 1.2-1.5 cm long, hairy; leaf blade elliptic to ovate, 5-5.5 x 3-3.5 cm, abax- ially hairy on midvein and secondary veins, adaxially glabrous, young ones yellowish green, dark green when older; midvein abaxially raised, adaxially flat; secondary veins 3-5 on each side of midvein; base round or acute; apex acuminate, ca. 0.5 cm long. Inflorescence corymbs, axillary or terminal, 9-11 flowered; peduncles 2-2.5 cm long, hairy; pedicels 1.5-1.6 cm long, hairy. Flower buds globose, ca. 2 mm. Sepals 6-6.5 x 3-3.5 mm long, outside pubescent, inside glabrous; sepals of outer whorl ovate; sepals of inner whorl spatulate. Petals white, oblong, 12-13 x 4-5 mm, hairy on surface and margin. Stamens 21-22; filaments 3.7-4 cm long, gla­brous, white; anthers ca. 1 mm long. Gynophore 3-3.5 cm long, glabrous. Ovary ellipsoid, ca. 2 x 1 mm, yellowish green, glabrous. Fruits globose, 3.5-3.8 cm in diam, purple to dark violet when mature, surface glabrous. Seed 1-4 per fruit,1.5-1.7  x 1.2-1.3 cm, black. Flowering in May- July, fruiting in May-November.

Capparis gialaiensis grew on the basaltic soils of the small hillocks in the open, sec­ondary forest areas of Son Lang Commune in association with Betula alnoides, Dicranopteris splendida, Mimosa pudica, Saccharum spouta- neum,Stixis ovata subsp. fasciculata, MeJastoma sp. and several ferns, at 810-910 m a.s.l. We observed only 15-20 individuals. It appears that the population could be easily affected by human activities.