212 A FLORA OF MANILA 



56. HERNANDIACEAE (Hernandia FAMILY) 



Trees, shrubs, or woody vines, with alternate, entire,-: simple or 3-foliolate, 

 exstipulate leaves. Inflorescence cymose or paniculate, axillary or terminal. 

 Flowers regular, perfect, or 'through abortion monoecious, the perianth- 

 segments 3 to 10, valvate, in two series, or the corolla'wanting. Stamens 

 few, inserted in a single row, the filaments with glands or staminodes at 

 their base; anthers introrse, 2-celled, opening by recurved valves. Ovary 

 inferior, 1-celled, with a single pendulous ovule. Fruit various, inde- 

 hiscent, sometimes winged. 



Genera 4, species 27, in all tropical countries, 3 genera and 4 species in 

 the Philippines. 



1. ILLIGERA Blume 



Climbing shrubs with alternate, 3-foliolate leaves, the leaflets entire. 

 Inflorescence axillary, elongated, lax, cymose. Flowers 5-merous, brac- 

 teolate, the calyx tube shortly constricted above the ovary, the limb 5-lpbed. 

 Petals 5, valvate, oblong, alternate with the calyx-lobes and about as long. 

 Stamens 5, epigynous, the filaments with a pair of staminodes on each side 

 near the base.. Ovary 1-celled, ■ inferior, 1-ovuled; style simple, filiform; 

 stigma dilated. Fruit indehiscent, with 2 broad lateral wings, and fre- 

 quently with two additional keels or narrow wings. (In honor of J. K. W. 

 Illiger, a German naturalist.) 



Species 13, 1 in Africa, the remaining 12 India to southern China and 

 Formosa southward to the Malay Peninsula and Archipelago, 2 in the 

 Philippines. 



1. I. luzonensis (Presl) Merr. (/. meyeniana Kth.). 



A vine reaching a height of 4 to 5 m, nearly glabrous except the some- 

 what pubescent younger parts and inflorescence. Leaflets broadly ovate, 

 somewhat acuminate, base rounded or slightly cordate, 5 to 10 cm long. 

 Cymes axillary, lax, up to 20 cm in length. Flowers pinkish to purplish- 

 red, 8 to 10 mm long. Fruits somewhat 4-angled, including the lateral 

 wings 2 to 3 cm long, 4 to 5 cm wide, the wings rather thin, rounded, the 

 two additional keels or narrow wings between the broad ones 5 mm wide 

 or less. 



In thickets, Masambong to Diliman, fl. Sept.-Oct.; widely distributed 

 in the Philippines. Formosa. 



57. PAPAVERACEAE (PoPPY Family) 



Annual herbs with yellow juice. Leaves alternate, sessile, sinuate-lobed, 

 spiny. Flowers large, yellow, perfect, regular. Sepals 2 or 3. Petals 4 

 to 6. Stamens indefinite. Ovary 1-celled; style short; stigma 4- to 7-lobed; 

 ovules very many on 4 to 7 parietal placentas. Capsule dehiscing at the 

 top by short valVes; seeds many. 



Genera 30, species about 300. Represented in the Philippines by a 

 single introduced genus and species. 



1. ARGEMONE Linnaeus 



Characters of the Family as given above. (Prom a Greek name signify- 

 ing a desease of the eye, for which the juice of a plant so called was 

 considered to be a remedy.) 



Species 6 in tropical America, 1 now found in many other countries. 



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