Malus 



ROSACEAE Pyrus 



b. Fls. with a tubular constricted disk enclosing the connate base 

 of the styles: young brts. and lvs. glabrous: calyx im- 

 pressed: fr. large 4. M. formosana 



bb. Fls. without a tubular constricted disk: young brts. and lvs. 

 more or less pubescent. 

 Calyx lobes longer than the tube, acuminate: fr. large, 4 cm. or 

 more across. 



Calyx deeply impressed in fr.: lvs. crenate-serrate 5. M. pumila 



Calyx raised in f r. : lvs. sharply serrate 6. M. prunifolia 



Calyx lobes as long as the tube, acute, impressed in fr.: tr. 



smaller, 1-1.5 cm. across 7. M. micromalus 



1. Malus baccata (L.) Borkh. Siberian Crab UlfrUi 1 (Shan Ching Tzu; Mountain 

 Bramble) (R.M. 392). Tree, to 14 m.; fls. white; fr. red or yellow. Northeastern 

 Asia; locally in Ki. Forest. 



2. Malus hupehensis (Pamp.) Rehd. WM^< (Yeh Hai T'ang; Wild Crabapple) (R.M. 

 393). Tree, 4-8 m. high; fls. pink or white, IV; fr. yellow, tinged red, globose. 

 China, Himalaya; locally in An., Ki., Ku. Forest. 



3. Malus halliana Koehne mUMf< (Ch'ui Ssu Hai T'ang; Drooping-silk Crab) (R.M- 

 393). Tree, to 5 m.; fls. pink; fr. purplish. Japan, China; locally in Ku. Planted, 

 ornamental. 



4. Malus formosana Kawakami Formosa Crab T^^fil (T'ai Wan Lin Ch'in) (Pl.W. 

 2:279). Tree, 4-7 m. high; fr. large. Formosa, China; locally in An., Ki. Forest. 



5. Malus pumila Mill. Common Apple mWM^k (Hsi Yang P'ing Kuo) (R.M. 391). 

 Tree, to 15 m.; fls. white or pinkish; fr. edible, large lvs. pubescent. Europe, 

 western Asia; locally in An., Ku. Cultivated, fruit. Fig. 164. 



6. Malus prunifolia (Willd.) Borkh. var rinki Rehd. iBl (Hua Hung; Red Flower) 

 (R.M. 392). Small tree; fls. white or pinkish. Northeastern Asia, native to 

 Hupeh; locally in Ku. Planted, ornamental. 



7. Malus micromalus Mak. mMU% (Hsi Fu Hai T'ang; Western-palace Crabapple) 

 (R.M. 392). Small tree; fls. pink; fr. red, small. Japan; locally in Ku. Planted, 

 ornamental. 



24. Pyrus Linn. Pear fiJH (Li Shu) 

 Deciduous trees or shrubs, sometimes thorny, with simple lvs.: fls. in umbel-like 

 racemes, white or pink; styles distinct: fr. usually a pear-shaped pome, with numerous 

 grit cells. About 20 species, in Eurasia and North Africa; 10-15 in China. (The 

 Latin name, spelled " Pirus " in classical literature.) 



Key to the Species 



a. Calyx persistent in fruit LP. lindleyi 



aa. Calyx deciduous. 



b. Lvs. serrate, with pointed teeth. 



Serrations of the lvs. with sharply acuminate or setose teeth. 



Fls. small, 1.5-2 cm. across: fr. 1-1 .5 cm. in diam 2. P. betulaefolia 



Fls. large, 3-3.5 cm. across: fr. about 3cm. in diam 3. P. pyrifolia 



Serrations of the lvs. with acute, but not acuminate teeth 4. P. serrulata 



bb. Lvs. crenate, with rounded teeth 5. P. calleryana 



1. Pyrus lindleyi Rehd. m^M (Ling Nan Li; South China Pear) (R.M. 404). Tree; 

 fls. IV. China; locally in Ku. Wooded ravines. 



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