Lithocarpus FAGACEAE Quercus 



Key to the Species 



Brts. pubescent : lvs. densely gray tomentose beneath, entire or serrate 



near the tips: acorns ovoid-oblong, partly enclosed by the involucre. 1. L. glabra 

 Brts. glabrous: lvs. thinly tomentose, finally glabrate beneath, entire. 

 Petiole 1-1.5 cm. long: acorn subglobose, wholly enclosed by the 



involucre 2 . L. cleistocarpa 



Petiole 1.5-3 cm. long: acorn depressed-globose, 1/3 enclosed by the 



saucer-shaped involucre 3 . L. henryi 



1. Lithocarpus glabra (Thunb.) Rehd. Rock Oak ^|f (Shih Li) (R.M.lst.162). Tree, 

 to 12m.; fls. white, VIII-IX; fr. X. Eastern China, Japan; locally in An., Che., 

 Ki., Ku. Forest tree. Fig. 56. 



2. Lithocarpus cleistocarpa (Seem.) Rehd. & Wils. fuf^laf (Pao Li Shu; Wrapped- 

 oak Tree) (R.M.lst.162). Tree, to 12 m. fls. V; fr. VIII. Central and western 

 China; locally in An. In woods. 



3. Lithocarpus henryi (Seem.) Rehd. & Wils. fflfat (Mien Chu; Spreading Castanop- 

 sis) (R.M.lst.162). Tree, to 15m.; fls. VII; fr. XL Central China; locally in 

 An., Che. Open forest. 



5. Quercus Linn. Oak f#if M (Ma Li Shu) 



Deciduous or evergreen trees or shrubs: staminate catkins pendulous: nut partly 

 enclosed in a scaly cup-like involucre. Over 200 species, in north temperate regions, 

 and in high altitudes in the tropics; 46 in China. Includes many important timber 

 trees, and some with edible acorns. (The Latin name.) 



Key to the Species 



a. Lvs. deciduous, 

 b. Lvs. serrate. 



c. Involucre with spreading or recurved scales. 



Lvs. white-tomentose beneath when young: bark with 



thick cork 1 . Q. variabilis 



Lvs. glabrous beneath, or with tufts of hairs in the axils 



of the veins beneath: cork not so thick 2. Q. acntissima 



cc. Involucre with appressed scales. 



Lvs. oblong-ovate, serrate: acorn ovoid 3. Q. glandulifera 



Lvs. lanceolate, bristly serrate: acorn cylindrical 4. Q. chenii 



bb. Lvs. lobed or sinuate-dentate. 



d. Brts. glabrous: lvs. with 10-15 prs. of obtuse teeth. 



Lvs. crowded at the ends of the brts.: acorn depressed- 

 globose; involucre with spreading scales 5. Q. stewardii 



Lvs. not crowded: acorn ovoid to cylindrical; involucre 

 with appressed scales. 



Lvs. sessile or subsessile : acorn cylindrical 6. Q. fabri 



Lvs. with petioles 1-2.5 cm. long : acorn ovoid to ovoid- 

 oblong 7. Q. aliena 



dd. Brts. pubescent: lvs. with 4-9 prs. of broad rounded lobes; 



involucre with spreading scales 8. Q. deniata 



aa. Lvs. evergreen. 



Frtg. cup of concentric rings : lvs. 7-12 cm. long, acuminate, 

 glaucous oi glaucescent beneath. 

 Lvs. elliptic-oblong to ovate-oblong, serrate towards the tip, 



silky-pubescent beneath when young 9. Q. glauca 



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