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

25. Lindera tienchuanensis W. P. Fang & H. S. Kung ex Yen C. Yang et al., Acta Phytotax. Sin. 16(4): 66. 1978.

天全钓樟 tian quan diao zhang

Lindera chengii H. P. Tsui.

Evergreen shrubs or trees, 2-4 m tall. Bark brown. Branchlets brown, striate; current year branchlets ferruginous tomentose, later glabrate. Buds narrowly ovate, ca. 2 mm; bud scales ferruginous tomentose. Leaves alternate; petiole 0.6-1 cm, ferruginous tomentose, later nearly glabrous; leaf blade greenish pale abaxially, green adaxially, broadly ovate or narrowly ovate, sometimes elliptic, 4-6(-9) × 1.5-3(-4) cm, subleathery, densely brown pubescent abaxially, especially on veins, later glabrous or nearly glabrous, trinerved, veins distinctly convex abaxially, slightly concave adaxially, reticulate veins distinct, base usually rounded, rarely broadly cuneate, apex acute, acuminate, or caudate-acuminate. Umbels solitary, inserted at upper leaf axil and lower bract axil on current year branchlets, usually 5-flowered; peduncles slender, 1-2.5 cm, ferruginous tomentose, later gradually deciduous. Pedicels 2-3 mm, densely brown pubescent. Tepals 6, yellow or green, sometimes red, broadly ovate, obtuse at apex, ca. 2.5 × 2 mm in outer whorl, ca. 2 × 1.5 mm in inner whorl, rather densely white pubescent on dorsal keel, glabrous inside. Male flowers: stamens 9, fertile in 1st and 2nd whorls; anthers elliptic, ca. 0.8 mm; filaments in 1st whorl equal to length of anther, in 2nd whorl ca. 1/2 length of anther, very laxly white pubescent; stamens in 3rd whorl sometimes reduced, fasciated or slightly ovate at apex, ca. 1.2 mm, 2-glandular near filament base; glands broadly reniform, cornute; pistil reduced; ovary ovate, ca. 0.7 mm, laxly white pubescent; style and stigma forming a mucro. Female flowers: sterile stamens 9, fasciated, ca. 1.2 mm, very laxly white pubescent, 2-glandular near filament base in 3rd whorl; glands reniform, stipitate; ovary ovate, ca. 1 mm; style thick, slightly shorter than ovary, all laxly white pubescent; stigma 2-lobed. Young fruit ellipsoid.

● Forests or valleys on high mountains; 1700-3000 m. Sichuan (Maoxian, Tianquan), SE Xizang (Mêdog).


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