Lysionotis GESNEK1ACEAE-ACANTHACEAE Dicliptera 



genera and 70 species in China. 



Key to the Genera 



Perfect stamens 2: stems evident and brg 1 . Lysionotis 



Perfect stamens 4 : stems very short or none 2 . Oreocharis 



1. Lysionotis D. Don ^tf<fe&M (Tzu Pei Chin P'an Shu) 

 Glabrous epiphytic shrubs with evident stems, opposite or ternate Ivs. and infl. in 

 lax many-fid. peduncled cymes; sepals narrowly lanceolate; corolla tubular, inflated 

 at the middle, 2-lipped; perfect stamens 2: anthers connivent; connective with an 

 oblong process; ovary superior, stipitate: capsule linear: seeds hairy-tufted. 5 species, 

 in eastern Asia; all in China. (Greek: luo, to release, and noto, the back; in reference 

 to the capsule which opens elastically along the dorsal suture.) 



1. Lysionotis pauciflorus Maxim. ^#^k$g (Tzu Pei Chin P'an; Purple-backed-golden- 

 dish) (DC. M. 5(1): 59). Prostrate shrub or bush, to lm.; fls. pink-purple, VIII. 

 Japan, southern China; locally in An., Che., Hun., Hup., Ki. Shaded ravines. 

 Fig. 341. 



2. Oreocharis Benth. ^M$-U (Yen T'ung Ts'ao Shu; 

 Cliff-Aleurites-herb Genus) 



Almost stemless reddish wooly herbs with basal petiolate Ivs. and blue scapose fls. 

 in umbels or cymes; corolla campanulate; perfect stamens 4; anthers free; ovary 

 superior; capsule linear. 15 species, in eastern Asia; 10 in China. 



1. Oreocharis auricula (Moore) C. B. Clarke (DC.M.5(1):64). Perennial acaulescent 

 herb; fls. pink-purple, VII-IX. Central China; locally in Ki. Moist shade. 



159. ACANTHACEAE Acanthus Family %%&& (Chio Ch'uang K'o) 



Herbs (ours) or shrubs with simple, usually entire, opposite estipulate Ivs. and 

 perfect gamopetalous 5-merous fls.: stems often 4-angled: corolla irregular, often 

 2-lipped; stamens 4 or 2; ovary superior, not deeply lobed; style one, slender, often 

 long-exserted : fr. a 2-celled, 2-4-seeded capsule. 240 genera with 2,200 species, mostly 

 tropical; 20 genera and 50 species in China. 



Key to the Genera 



Tube of the corolla long-exserted; fls. scattered, or in panicled or cymose 



clusters, not in heads or spikes; anther cells blunt or awnless 1. Dicliptera 



Tube of the corolla not long-exserted; fls. often in heads or spikes, some- 

 times in scattered clusters; anther cells with a white basal appendage.. 2. Justicia 



1. Dicliptera Juss. JlWM^MM (Chiu T'ou Shih Tzu Ts'ao Shu) 

 Erect or spreading brg. herbs with opposite nearly entire short-petiolate Ivs.: fls. 

 in pairs (one often smaller), subtended by unequal pairs of conspicuous bracts, scattered 

 or in panicled or cymose clusters; calyx and corolla 5-merous; tube of the corolla long- 

 exserted; limb deeply 2-lipped; stamens 2, exserted; anther cells blunt or awnless: 

 ovary 2-celled, becoming 4-seeded; partition of the ovary not persistent; placenta 

 rising elastically from base of the capsule. 50 species, in tropical regions; 2 or more 

 in China. (Greek: diclis, double-folding, as of doors, and pteron, a wing, alluding to 

 the involucel. 



362 



