606 



Staphyleaceae; Icacinaceae 



1. Staphylea bumalda (Thunb.) DC. Bumalda trifolia 

 Thunb. MiTsuEA-uTsuGi. Shrub with spreading to as- 



cending branches, the branches terete, grayish brown, glabrous; 

 leaves trifoliolate, on petioles 2-3 cm. long, the lateral leaflets 

 sessile, ovate or ovate-elliptic, 3-7 cm. long, 1.5-3 cm. wide, 

 acuminate, acute or acuminate at base, mucronate-serrate, the 

 terminal one attenuate on a petiolelike base, paler and gla- 

 brous (var. glabra Nakai) or pubescent on midrib beneath; 

 inflorescence a racemelike panicle, terminal on young branch- 



lets, 5-8 cm. long; flowers white, the pedicels 8-12 mm. long; 

 calyx-segments linear-oblong or oblanceolate, obtuse, erect, 7-8 

 mm. long, greenish white; petals simulating the sepals and as 

 long, white; capsules slighdy inflated, short-stiped, shallowly 

 and broadly 2-fid, 2-2.5 cm. wide, the stigma at first connate; 



seeds lustrous, pale yellow, obovoid, about 5 mm. long. 



May-June. Woods in lowlands and hills; Hokkaido, Honshu, 

 Shikoku, Kyushu; common. Korea, Manchuria, and China. 



2. EUSCAPHIS Sieb. & Zi: 



GrONZUI ZOKU 



Small trees; leaves opposite, odd-pinnate, stipulate, the leaflets serrate, stipellate; flowers 5-merous, bisexual, small, in terminal 

 panicles; ovary 2- or 3-locular, with an annular disc at base, the stigma connate; fruit of 1-3 coriaceous dehiscent follicles, each 1- to 

 3-seeded; seeds enclosed in a thin aril. A single species in e. Asia. 



1. Euscaphis japonica (Thunb.) Kanitz. Satnbucus ja- 

 ponica Thunb.; E. staphyleoides Sieb. & Zucc; Hebokja ja- 

 ponica (Thunb.) Raf. Gonzui. Small deciduous tree 



with glabrous, rather thick branches; leaves opposite, the peti- 

 oles 4-6 cm. long, the axis nearly terete, 15-30 cm. long, the 

 leaflets 7-11, rather thick, narrowly ovate or broadly lanceo- 

 late, 4-8 cm. long, 2-4 cm. wide, gradually acuminate, rounded 

 to broadly cuneate at base, appressed-serrate, deep green and 

 lustrous on upper side, often white-pubescent on midrib be- 

 neath near base, the petiolules 2-8 mm. long; inflorescence a 



long peduncled broadly pyramidal panicle 8-15 cm. across, 

 many-flowered; flowers pale green, 4-5 mm. across; sepals and 

 petals elliptic, persistent; follicles 1-3, ellipsoidal, arcuately 

 spreading, acute, 1.5-2 cm. long, longitudinally ribbed, the 



seeds nearly globose, black, shining, about 5 mm. across. 



May (-June). Thickets and thin woods in lowlands and low 

 mountains; Honshu (Kanto Distr. and westw.), Shikoku, 



Kyushu; very common. Korea, Ryukyus, Formosa, and 



China. 



3. TURPINIA Vent. Sh6ben-no-ki Zoku 



Glabrous trees or shrubs with terete branches; leaves opposite, exstipulate, odd-pinnate, sometimes trifoliolate or unifoliolate, 

 the leaflets serrate, coriaceous; panicles terminal and axillary; flowers small, white, bisexual; sepals and petals 5, imbricate; disc 

 convex, toothed; stamens 5, free; ovary 3-locular and -lobed, the styles 3, often connate, the ovules ascending, anatropous; 



fruit ellipsoidal or nearly globose, fleshy or leathery, 3-locular; seeds angular, flat. More than 10 species, in e. Asia, Malaysia, 



India, and America. 



1. Turpinia temata Nakai. T. pomijera sensu auct. 



Japon., non DC. Sh6een-no-ki. Evergreen glabrous tree 



with terete, red-brown branches; leaves with petioles 3-5 cm. 

 long, the leaflets 3 or sometimes 1 or 2, thick-coriaceous, deep 

 green, abruptly acuminate with an obtuse tip, appressed ser- 

 rate, oblong or narrowly so, 7-12 cm. long, 2.5-5 cm. wide, the 

 midrib raised beneath, the lateral leaflets slightly smaller, on 

 petiolules 5-10 mm. long, the terminal leaflets on petiolules 



1-3 cm. long; inflorescence pedunculate, terminal on young 

 branchlets, 10-20 cm. long, many-flowered, puberulous; flowers 

 pale green, about 5 mm. across; sepals elliptic; petals obovate, 

 white, about 3.5 mm. long, slightly longer than the sepals; 

 fruit fleshy, subglobose, 7-10 mm. across, becoming orange-red 

 when mature; seeds few, grayish brown, with small elevated 



spots, 5-6 mm. long. ^May-June. Shikoku, Kyushu. 



Ryukyus and Formosa. 



Fam. 123. ICACINACEAE Kurotaki-kazura Ka Icacina Family 



Trees or shrubs, sometimes scandent; leaves usually alternate, simple, exstipulate; flowers 4- or 5-merous, bisexual or unisexual, 

 actinomorphic; calyx small, 4- to 5-lobed, the lobes imbricate, rarely valvate; petals 4 or 5, imbricate, rarely valvate, free or con- 

 nate, rarely absent; stamens as many as the petals and alternate with them; disc sometimes developed; ovary 1-locular, rarely 3- 

 to 5-locular, the ovules usually 2, pendulous from the top of the locule; style very short; fruit a 1-locular, 1-seeded drupe, rarely 



winged; seeds usually with endosperm, the embryo usually small and straight. About 38 genera, with about 200 species, in 



the warmer parts of the world. 



1. HOSIEA Hemsl. & Wils. 



Kurotaki-kazura Zoku 



Deciduous, sometimes dioecious woody climber; leaves membranous, alternate, long-petiolate, ovate-cordate; inflorescence a 

 loose cyme or sometimes a compound axillary panicle, often reduced to a few flowers, flowers polygamous or unisexual; sepals 5, 

 small, much shorter than the petals; corolla of 5 united petals, subrotate, the lobes caudate; stamens 5, alternate with the petals, 

 the filaments shorter than the petals; disc of 5 fleshy and rounded scales; ovary ovoid, 1-locular, the ovules 2, pendulous; style 

 short, simple, columnar, with a 5-lobed stigma; fruit fleshy, slightly flattened, ellipsoidal, 1-seeded; endosperm scanty, the 

 " cotyledons elliptic. Two species, in e. Asia. 



