DESCRIPTIVE CATALOGUE. 403 



Zinziberaceae. GINGER FAMILY. 



This family is represented in Guam by Curcuma longa, Zinziber zerumbet, and the 



cultivated Z. zingiber. 



Zinziber zingiber. GINGER. 



Family Zinziberaceae. 



LOCAL NAMES. Asfigod (Guam); Luya, Baseng, Pangas, Layal (Philippines). 

 An aromatic plant with a horizontal, tuberous rootstock. Leafy, stem elongated, 

 90 to 120 cm. long; leaves lanceolate, glabrous beneath, 15 to 32.5 cm. long by 2.5 

 cm. broad, tapering gradually to the point, clasping the stem by their lonij sheath; 

 spikes usually radical, rarely lateral or terminal on the leafy stem; oblong-cylindric; 

 bracts greenish, suborbicular, cuspidate; corolla segments greenish, lanceolate, sub- 

 equal, lip small, purplish black, shorter than the corolla segments; stamens dark 

 purple. Rarely flowers. 

 REFERENCES: 



Zinziber zingiber (L.) Karst. Fl. Deutsch. 1: 488. 1895. 

 Amomurn zingiber L. Sp. PI. 1:1. 1753. 

 Zingiber officinale Eosc. Trans. Lin. Soc. 8: 348. 1807. 

 Zinziber officinale Same as Zinziber zingiber. 



Zinziber zerumbet. WILD GINGER. 



LOCAL NAMES. Asngod halom-tano (Guam); Luyjiluya, Tamo, Dao (Philip- 

 pines); Ava-pui (Samoa); Awa-puhi (Hawaii); Rea (Tahiti). 

 An aromatic plant, with a horizontal, tuberous rootstock, of a pale yellow inside; 

 leafy stem 90 to 120 cm. long; leaves 30 cm. long by 5 to 7.5 cm. broad, oblong- 

 lanceolate, glabrous beneath; spike oblong, very dense; bracts very obtuse, green, 

 with a paler edge; corolla tube as long as the bract; segments 2.5 cm. long, upper 

 broader, whitish, lip sulphur-yellow, unspotted, with a midlobe 7.5 to 10 cm. broad; 

 stamen pale, as long as the lip; capsule oblong, above 2.5 cm. long. 



A plant widely distributed in the Tropics of the Old World, common on nearly all 

 the islands of the Pacific. 

 REFERENCES: 



Zinziber zerumbet (L.) Rose.; Smith, Exotic Bot. 2: 105. L 112. 1805. 

 Amomum zerumbet L. Sp. PI. 1: 1. 1753. 



Zizyphus jujuba. . JUJUBE. 



Family Rhamnaceae. 



LOCAL NAMES. Manzanas (Guam); Manzanitas (Philippines). 

 A small tree bearing an edible spherical drupe, which is yellow when ripe. 

 Leaves alternate, 3-nerved, elliptic-ovate, ovate, or suborbicular, dark green and 

 glabrous above, covered beneath with a dense woolly tomentum; branches usually 

 armed with stipulary prickles, which are either solitary and straight, or geminate 

 and then one shorter and recurved; flowers hermaphrodite or polygamous, small, 

 greenish, fascicled, or in cymes; cymes 7.5 to 10 cm. long; calyx 5-fid, glabrous 

 within; petals 5, subspathulate, very convex, reflexed; calyx tube filled by disk; 

 styles 2, united to the middle; drupe smooth, sweet, and mealy; nut rough, 2-celled. 

 Cultivated in many tropical countries. Introduced into Guam about fifty years ago, 

 but not generally cultivated. 

 REFERENCES: 



Zizyphus jujuba (L.) Lam. Encycl. 3: 318. 1789. 

 Rhamnus jujuba L. Sp. PL 1: 194. 1753. 

 Zornia diphylla. ZORNIA. 



Family Fabaceae. 



A leguminous plant with many wiry branches, compound leaves with a single pair 

 of small leaflets, large stipules, and small, sessile, papilionaceous flowers, which are 

 borne in long lax spikes, inclosed each in a pair of large flat bracts. Stipules lance- 



