Pyracantha ROSACEAE Chaenomeles 



1. Pyracantha crenulata Roem. ^§ (Pi Jo) (R.M. 358). Shrub or small tree; fls. 

 V-VI; fr. orange red, IX-X. Himalayas; locally in Ku. Planted, ornamental. 



17. Crataegus Linn. Hawthorn [lltaS (Shan Cha Shu) 

 Mostly deciduous tJiorny shrubs or small trees with serrate or lobed lvs.: fls. 

 white or red, usually clustered: fr. a red, yellow or black pome, ivith 1-5 1-seeded 

 bony carpels. About 1,000 species, in north temperate regions; 15 in China. (From 

 the Greek term meaning "strength," on account of the hardness of the wood.) 



Key to the Species 



a. Lvs. deeply 5-9-lobed, truncate or broad-cuneate at base; veins ex- 

 tending to sinuses as well as to points of the lobes: thorns often 



wanting 1- C. pinnatifida 



aa. Lvs. 3-4-lobed, narrowly cuneate at base; veins extending only to 

 points of lobes or teeth. 



Thorns 1-1.5 cm. long: stipules glandular-serrate: young brs. 

 glabrous. 



Stipules deciduous; petioles 3.5-5 cm. long: nutlets 5 2. C. hupehensis 



Stipules persistent; petioles 1.5-2 cm. long: nutlets 3 3. C. kulingensis 



Thorns less than 1cm. long: stipules not glandular-serrate: young 



brs. pubescent: nutlets 5 4. C. cuneata 



1. Crataegus pinnatifida Bunge lllff (Shan Cha) (R.M. 372). Tree, to 6 m.; fls. 

 V-VI; fr. red, IX. Northeastern Asia; locally in An. Planted for fruit. 



2. Crataegus hupehensis Sarg. WkWr (Hou Cha Tzu; Monkey Hawthorn) (Pl.W. 1: 

 178). Tree, to 5m'; fr. red, X. China; locally in Ku. Planted, ornamental. 



3. Crataegus kulingensis Sarg. (Pl.W. 1:179). Shrub or tree, to 7m.; fr. red. 

 China; locally in Ki. Forest. 



4. Crataegus cuneata Sieb. & Zucc. WlU^. (Yeh Shan Cha; Wild Hawthorn) (R.M. 

 365). Shrub, 1-3 m. high; fls. white, V; fr. red, IX-X. Japan, China; locally in 

 An., Ku. Brushland. Fig. 158. 



18. Cydonia Mill. Quince UWM (Wen Po Shu) 



A deciduous thornless tree or shrub with simple entire lvs.: fls. appearing with 

 the lvs., 5-parted, white or pink, up to 5cm. across; styles distinct: fr. a fragrant 

 villose pear-shaped pome with 5 leathery or papery carpels, each carpel several-seeded. 

 One species, in central and eastern Eurasia. (From " Cydon," an old name for 

 Crete.) 



1. Cydonia oblonga Mill. UW ( Wen Po) (R.M. 400). Shrub or tree, to 8 m.; fls. V; 

 fr. yellow, X. Central Asia; locally in Ku. Cultivated, fruit. Fig. 159. 



19. Chaenomeles Lindl. ?|\/RIS (Mu Kua Shu) 



TJiorny shrubs or small trees with simple crenate or serrate lvs. : fls. appearing 

 with the lvs., 5-parted, pink or red; styles united at the base: fr. a large pome; the 

 leathery carpels many -seeded. 3 species, in eastern Asia; 2 in China. (Greek chainein, 

 to split; and meles, apple. Thunberg thought the fr. split into 5 valves.) 



Key to the Species 



Fls. 2-6; calyx colored; lobes upright, entiie: plant thorny 1. C. lagenaria 



Fls. solitary; calyx not colored; lobes reflexed, serrulate: plant not thorny. 2. C. sinensis 



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