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FOC | Family List | FOC Vol. 11 | Rutaceae | Tetradium

6. Tetradium ruticarpum (A. Jussieu) T. G. Hartley, Gard. Bull. Singapore. 34: 116. 1981.

吴茱萸 wu zhu yu

Boymia ruticarpa A. Jussieu, Mém. Mus. Hist. Nat. 12: 507. 1825; Ampacus ruticarpa (A. Jussieu) Kuntze; Euodia baberi Rehder & E. H. Wilson, p.p. as to E. H. Wilson 1164 p.p. Oct 1908 (see also synonymy of Tetradium daniellii); E. bodinieri Dode; E. compacta Handel-Mazzetti; E. compacta var. meionocarpa Handel-Mazzetti; E. hirsutifolia Hayata; E. officinalis Dode; E. rugosa Rehder & E. H. Wilson; E. ruticarpa (A. Jussieu) Bentham; E. ruticarpa var. bodinieri (Dode) C. C. Huang; E. ruticarpa var. officinalis (Dode) C. C. Huang.

Shrubs or trees, to 9 m tall. Leaves 15-40 cm, (3 or)5-13(or 15)-foliolate; leaflet blades elliptic to ovate or sometimes lanceolate, oblanceolate, or obovate, 4.5-17 × 2-8 cm, abaxially rarely slightly glaucous and not papillate, secondary veins 9-17 on each side of midvein, reticulate veinlets abaxially ± inconspicuous and ± loose, base in lateral leaflets obtuse to narrowly cuneate or sometimes rounded to cuneate or rarely attenuate, margin entire or irregularly crenulate, apex acuminate. Inflorescences 2.5-18 cm. Flowers (4 or)5-merous. Sepals 0.5-1.2 mm. Petals green, yellow, or white but drying brown to whitish, 3-5 mm, outside glabrous or with sparse short trichomes, inside nearly glabrous to villous. Ovary glabrous or with sparse trichomes; ovules 2 per carpel, collateral or subcollateral. Fruit (including abortive carpels, if any) usually 5-carpelled; follicles subglobose, 3.5-6 mm, glabrous or sometimes with sparse trichomes, apex not beaked; endocarp glabrous. Seeds 1 per follicle but paired with an abortive seed, ovoid or sometimes ellipsoid or subglobose, 3.5-5.5 mm, attached in dehisced follicle to axile strip of pergamentaceous pericarp tissue; seed coat with thick inner layer of dense black sclerenchyma and spongy outer layer bounded externally by a shiny black pellicle. Fl. Apr-Jun, fr. Aug-Nov.

Forests, thickets, open places; 100-3000 m. Anhui, Fujian, S Gansu, Guangdong, Guangxi, Guizhou, Hebei, S Henan, Hubei, Hunan, S Jiangsu, Jiangxi, S Shaanxi, Sichuan, Yunnan, Zhejiang [Bhutan, NE India, Myanmar, Nepal].


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