10. Alseodaphne petiolaris (Meisner) J. D. Hooker, Fl. Brit. India. 5: 145. 1886.
长柄油丹 chang bing you dan
Nothaphoebe petiolaris Meisner in A. Candolle, Prodr. 15(1): 59. 1864.
Trees, up to 20 m tall, ca. 10 cm d.b.h. Branchlets brownish, robust, subverticillate, slightly angled, scattered with suborbicular corky lenticels, glabrous except young part. Terminal buds ovoid; bud scales compact, densely brown puberulent. Petiole robust, 1.5-2.5(-5) cm, concave-convex, glabrous; leaf blade brown on both surfaces but green-white abaxially when young, opaque abaxially, shiny adaxially, large, obovate-oblong or oblong, 14-26 × 6-15 cm, thickly leathery, midrib elevated abaxially, impressed adaxially, lateral veins ca. 11 pairs, very conspicuous abaxially, slightly elevated adaxially, oblique, arcuately connected at ends, transverse veins and veinlets reticulate, conspicuously elevated on both surfaces, base cuneate or subrounded and always unequal on sides, apex rounded or obtuse, abruptly shortly acuminate or emarginate. Panicle subterminal, clustered at apex of branchlet, (10-)15-30 cm, many flowered, branched, lowest branches up to 10 cm; peduncle 6-13 cm, rusty pubescent along rachis especially on nodes. Pedicels ca. 2 mm, rusty pubescent. Flowers small, ca. 2.5 mm. Perianth tube broadly conical, ca. 1 mm; perianth lobes 6, orbicular-ovate, obtuse, outer ones ca. 2 × 1.8 mm, inner ones ca. 2.5 × 2 mm, densely rusty pubescent on both surfaces. Fertile stamens 9, ca. 1.2 mm in 1st whorl, ca. 1.8 mm in 2nd whorl, and ca. 2.8 mm in 3rd whorl; filaments complanate, pilose, very short in 1st whorl, almost as long as anther in 2nd and 3rd whorls, those of 3rd whorl each with 2 shortly stalked orbicular-cordate glands, others glandless; anthers of 1st whorl broadly ovate, obtuse, ca. 0.8 mm, with 2 upper smaller cells and 2 lower large cells, cells all introrse, anthers of 2nd whorl broadly ovate-ellipsoid, obtuse, with 4 introrse cells, anthers of 3rd whorl ellipsoid, truncate or slightly emarginate on middle at apex, with 4 extrorse-lateral cells. Staminodes minute. Ovary ovoid, ca. 0.8 mm, glabrous, attenuate into a ca. 1.6 mm long style; stigma peltate, 3-lobed. Fruit oblong-ovoid, ca. 2.8 × 1.3 cm, apex rounded, fleshy; fruit stalk robust, ca. 5 mm, up to 4 mm on dilated top. Fl. Oct-Nov, fr. Dec-Apr or May of next year.
Dry sparse forests, evergreen broad-leaved forests; 600-900 m. S Yunnan [India, Myanmar].