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. — Asngod (Guam); Luya, Baseng, Pafigas, 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 long 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. 

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

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

 Zinziber officinale Same as Zinziber zingiber. 



Zinziber zerumbet. Wild ginger. 



Local names. — Asngod halom-tano (Guam); Luyaluya, 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 micllobe 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. t. 112. 1805. 

 Amomum zerumbet L. Sp. PL 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- 



