Utricularia LENTIBULARIACEAE-BIGNONIACEAE Campsis 



1. Utricularia Linn. Bladderwort fflUJH (Li Tsao Shu) 



Aquatic or immersed herbs with capillary dissected Ivs. bearing small bladders 

 which float the plant at the time of flg. ; or rooting in the mud and then with few or 

 no lvs. or bladders: bladders with a valvular lid and with bristles at the mouth: 

 scapes one-several-fld.; calyx lobes entire; corolla with a palate which nearly closes 

 the throat. Over 200 species, widely distributed; 10 in China. (Latin: utriculus, a 

 little bladder.) 



Key to the Species 



a. Floating or submersed plants: lvs. divided into capillary segments and 

 generally interspersed with utricles (small bladders): fls. yellow. 

 Fig. peduncles slender, 8-10 cm. long, with bracts 1-2 mm. long; 



fls. 5-10 mm. across: lfy. stems relatively slender: plant delicate. . 1. U. aurea 

 Fig. peduncles stout, 12-15 cm. long, with bracts 5-6 mm. long; fls. 



15mm. across: lfy. stems relatively stout: plant robust 2. U. vulgaris 



aa. Marsh plants: lvs. basal and entire or none. 



Fls. yellow; scales of the fig. peduncle attached at the base 3. U. bifida 



Fls. blue or bluish purple; scales of fig. peduncle attached at the 



middle, pointed above and below 4 . U. racemosa 



1. Utricularia aurea Lour. (U. flexuosa Vahl) MMX (Hsi Yeh Li Tsao) (M.F.432; 

 M.L.356). Delicate submersed aquatic; fls. yellow, VII-X. Eastern Asia, Malaya, 

 Australia; locally in An., Ku. Ponds, lakes. 



2. Utricularia vulgaris Linn. Greater Bladderwort MM (Li Tsao; Wild-cat Water- 

 weed) (G.M.1306). Robust submersed aquatic; fls. yellow, VI-VIII. Eurasia, North 

 America; locally in An., Ku. Ponds, lakes. 



3. Utricularia bifida Linn. (M.F.433). Terrestrial; fls. yellow, VII-IX; lvs. linear- 

 spatulate. India, South China, Malaya; locally in Hu., Ki. Swampy ground. 



4. Utricularia racemosa Wall, ex A. DC. ^f£M (Tzu Erh Wa Tsao; Purple Ear- 

 digger Grass, comparing the slender erect peduncle with flower bud to the small 

 spoon-like instrument with which a Chinese barber removes wax from his patron's 

 ears) (Be. F. 256). Terrestrial; fls. bluish purple, VII-VIII; lvs. none at time of 

 flg. India, South China, Malaya; locally in Ki. Wet ground. 



156. BIGNONIACEAE Bignonia Family %^Pr (Tzu Wei K'o; 



Luxuriant-purple Family) 



Trees, shrubs or herbs, often climbing, with opposite (rarely alternate) estipulate 

 lvs. and perfect irregular usually large and showy 5-merous fls. in terminal or axillary 

 racemes or panicles; corolla oblique, rarely 2-lipped; stamens 4, didynamous, with 

 one (rarely 2, 3 or 5) sterile stamen; ovary superior with a disk at the base: fr. an 

 elongated dehiscent capsule bearing numerous winged seeds. 110 genera with 750 

 species, tropical and subtropical; 7 genera and 14 species in China. 



Key to the Genera 



Woody climbing vines with pinnately compound lvs 1 . Campsis 



Deciduous trees with simple lvs 2 . Catalpa 



1. Campsis Lour. Trumpet Creeper glfSHtM (Ling Hsiao Hua Shu) 

 Deciduous ivoody vines, usually climbing by aerial rootlets, with odd-pinnate lvs. 

 and large orange or scarlet fls. in terminal clusters; corolla funnel-form; stamens 4, 



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