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FOC | Family List | FOC Vol. 7 | Lauraceae | Lindera

24. Lindera obtusiloba Blume, Mus. Bot. 1: 325. 1851.

三桠乌药 san ya wu yao

Deciduous trees or shrubs, 3-10 m tall. Bark black-brown. Branchlets yellow-green, smooth and striate when young, brown scurfy, longitudinally dehiscent, and corky lenticellate when old. Buds ovate, apex acuminate; outer bud scales 3, yellow-brown, elliptic, 6-9 × 6-7 mm, leathery, glabrous, acute at apex; inner bud scales 3, very densely brownish yellow sericeous; sometimes mixed budded, including leaf buds and floral buds. Leaves alternate; petiole 1.5-2.8 cm, yellow-white pubescent; leaf blade pale greenish or sometimes red abaxially, dark green adaxially, suborbicular, compressed-rounded, or elliptic, 5.5-10 × 4.8-10.8 cm, brown-yellow pubescent or glabrate abaxially, trinerved, sometimes pentanerved, reticulate veins distinct, base broadly cuneate, subrounded, rounded, cordate, or subcordate, margin usually entire, sometimes emarginate or wavy, or usually trifid and sometimes pentafid, apex acute or rounded. Mixed buds axillary, elliptic, acute at apex, outer 2 bud scales leathery, brown-yellow, rugose, glabrous, inner bud scales subleathery, adnate-pubescent, with 1 or 2 floral buds inside; floral bud 5 or 6, umbels included. Umbels not pedunculate, with 4 involucral bracts; involucral bracts narrowly elliptic, membranous, villous outside, glabrous inside, 5 flowers included. Male flowers: tepals 6, narrowly elliptic, villous outside and glabrous inside; stamens 9; filaments glabrous, 2-glandular at base in 3rd whorl; glands broadly reniform, cornute, long stipitate, sometimes 1 at filament base in 2nd whorl; reduced pistil narrowly elliptic, glabrous; style and stigma forming a mucro. Female flowers: tepals 6, narrowly elliptic, ca. 2.5 × 1 mm, slightly short in inner whorl, villous on dorsal keel, glabrous inside; reduced stamens fasciated, ca. 1.7 mm in 1st and 2nd whorls, ca. 1.5 mm in 3rd whorls, 2-glandular at filament base; glands long stipitate; stipe base and filament base coadnate; ovary ellipsoid, ca. 2.2 × 1 mm, glabrous; style less than 1 mm, curved downward before bloom. Fruits broadly ellipsoid, ca. 8 × 5-6 mm, red at maturity, later purple-black, black-brown when dry. Fl. Mar-Apr, fr. Aug-Sep.

Valleys, thickets in dense forests, forests on mountain slopes; near sea level to 3000 m. Anhui, Fujian, S Gansu, Henan, Hubei, Hunan, Jiangsu, Jiangxi, S Liaoning, S Shaanxi, E Shandong, Sichuan, Xizang, NW Yunnan, Zhejiang [Bhutan, India, Japan, Korea, Nepal].

The seed oil is used medicinally and for light industrial materials. The wood is used in woodwork.

1 Leaf blade suborbicular or compressed- rounded, apex acute, base broadly cuneate, subrounded, or cordate, margin usually trifid, sometimes pentafid.   24a var. obtusiloba
+ Leaf blade elliptic, sometimes compressed-rounded, apex rounded or acute, base subrounded or subcordate, margin usually entire, sometimes emarginate or wavy.   24b var. heterophylla

Lower Taxa


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