Myriophyllum HALORAGACEAE-ARALIACEAE Kalopanax 



2. Myriophyllum Linn. Water Milfoil MSfiJR (Hu Wei Tsao Shu; 



Fox-tail Alga Genus) 



Monoecious, dioecious or polygamous perennial freshwater aquatics with alternate 

 or whorled lvs. pinnatifid into hair-like segments: the upper fls. staminate, the lower 

 pistillate, the intermediate often bisexual; calyx lobes and petals 4 or 0; stamens 4- 

 8; ovary 4-celled; styles 4: fr. splitting into 4 indehiscent often tuberculate carpels. 

 20 species, widely distributed; 2 in China. (Greek: myrios, numberless, and phyllon, 

 leaf, referring to the innumerable divisions of the leaves.) 



Key to the Species 



Bracts of the infl. undivided, mostly shorter than the fls 1. M. spicatum 



Bracts of the infl. pinnately dissected, mostly longer than the fls 2. M. verticillatum 



1. Myriophyllum spicatum Linn. £gf: (Tsa Ts'ao; Tufted Herb) (Hegi 5(2): 901). 

 Submersed herb; fls. yellow, VI; fr. IX. Eurasia, North America; locally in 

 An., Che., Ku. Ponds, lakes. 



2. Myriophyllum verticillatum Linn. (G.M. 1074). Submersed herb; fls. VI; fr. 

 IX. Eurasia, North America; locally in An., Ku. Ponds and lakes. 



130. ARALIACEAE Ginseng Family 2#fl$4 (Wu Chia K'o) 

 Herbs, shrubs or trees, sometimes climbing, often with prickly stems: lvs. alter- 

 nate: fls. in umbels, small, regular, sometimes unisexual, usually 5-merous (6-8-merous 

 in Dendropanax); disk present; ovary inferior, 2-15-celled; styles as many as the cells: 

 ff. a berry or drupe. 60 genera with 800 species, in temperate and tropical regions; 

 17 genera and about 120 species in China. 



Key to the Genera 



A. Lvs. simple, lobed or entire. 

 Trees or shrubs, not vines. 



Spiny shrubs or trees with palmately lobed serrulate lvs 1. Kalopanax 



Unarmed glabrous trees or shrubs: lvs. simple, entire or 3-5- 



lobed 2. Dendropanax 



Evergreen shrubby vines, climbing by adventitious roots 3. Hedera 



AA. Lvs. compound. 



Lvs. pinnately compound 4 . Aralia 



Lvs. digitately compound. 

 Infl. of a few axillary or terminal umbels: mostly woody plants. 5. Acanthopanax 

 Infl. of a single terminal umbel: perennial herbs 6. Panax 



1. Kalopanax Miq. MWM (Tzu Ch'iu Shu) 

 Shrub or tree with stout brs. armed with short broad-based spines or prickles: 

 lvs. simple, palmately -lobed, serrulate: fls. perfect, racemosely arranged in compound 

 terminal panicles; calyx 5-dentate; petals 5, valvate; ovary 2-celled; styles connate: 

 fr. subglobose, 2-seeded. One species, in eastern Asia. (Greek: kalo, beautiful; and 

 Panax.) 



1. Kalopanax pictus (Thunb.) Nakai {Acanthopanax ricinifolius (S. & Z.) Seem.) fij 

 #j; (Tzu Ch'iu) (R.M. 675). Shrub or tree, to 30 m.; fls. white, VIII-IX; fr. blue- 

 black, X-XI. Japan, China; locally in An., Che., Hun., Hup., Ki., Ku. Forest. 

 Fig. 266. 



278 



