ACANTHOPANAX 



Acanthopanax, Miquel, in Ann. Mus. Lugd. Bat. i. 10 (1863) ; Bentham et Hooker, Gen. PL i. 938 



(1863); Viguier, in Ann. Sri. Nat. (Bot.) iv. 33 (1906). 

 Kalopanax, Miquel, in Ann. Mus. Lugd. Bat. i. 16 (1863); Harms, in Engler and Prantl, Pflanz- 



Fam. iii. 8, p. 50 (1894). 

 Brassaiopsis, Seemann, in Journ. Bot. ii. 290 (1864) (not Decaisne and Planchon). 

 Panax, sub-genus Acanthopanax, Decaisne and Planchon, in Rev. Hort. 1854, p. 105. 



Deciduous trees or shrubs, belonging to the order Araliaceae. Branchlets with 

 or without spines. Stipules inconspicuous or absent. Leaves either compound 

 and three- to five-digitate or simple and palmately lobed. 



Flowers small, in panicled or solitary umbels, polygamous or perfect, on pedicels 

 that are not articulated ; calyx-tube coherent with the ovary, limb dentate ; petals 

 five, rarely four, valvate in the bud ; stamens as numerous as the petals and inserted 

 with them on the margin of the disc, filaments filiform, anthers ovate or oblong ; 

 ovary usually two-celled, rarely five-celled ; styles, two or five, more or less connate 

 at the base, with the apex recurved and stigmatose internally. Fruit baccate, later- 

 ally compressed or globose, with a fleshy exocarp ; nutlets two to five, crustaceous 

 or cartilaginous, each containing one seed. 



About eighteen species are known, natives of Eastern Asia, extending from 

 Amurland and Manchuria, through Japan, Formosa, and China to the Himalayas. 

 The following species is the only one attaining timber size. 



ACANTHOPANAX RICINIFOLIUM 



Acanthopanax ricinifolium, Seemann, in Journ. Bot. vi. 140 (1868), and Revis. Heder. 86 (1868); 



Franchet and Savatier, Enum. PI. Jap. i. 193 (1875); Hance, in Journ. Bot. 1885, p. 323 ; 



Hemsley, in Journ. Linn. Soc. (Bot.) xxiii. 340 (1888); Sargent, in Garden and Forest, vi. 



2 34> fig- 3 6 0893), and Forest Flora Japan, 45, fig. 16 (1894); Shirasawa, Leon. Ess. 



Forest. Japon, ii. t. 56, figs, n-24 (1908); Beissner, in Mitt. Deut. Bend. Ges. 1909, p. 289; 



Schneider, Laubhohkunde, ii. 429 (1909). 

 Acanthopanax acerifolium, Schelle, in Mitt. Deut. Dend. Ges. 1908, p. 217, and 1909, p. 289. 

 Panax ricinifolium, Siebold and Zuccarini, Fl. Jap. Fam. Nat. i. 91 (1843), and in Abh. Ac. Munch. 



iv. 2, p. 199 (1845). 

 Kalopanax ricinifolium, Miquel, in Ann. Mus. Lugd. Bat. i. 16 (1863); Harms, in Engler, Bot. 



Jahrb. xxix. 488 (1900). 

 Kalopanax < sp., Zabel, in Mitt. Deut. Dend. Ges. 1904, p. 63. 

 Brassaiopsis ricinifolia, Seemann, in Journ. Bot. ii. 291 (1864). 



1694 



