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

16. Actinodaphne acuminata (Blume) Meisner in A. Candolle, Prodr. 15(1): 211. 1864.

南投黄肉楠 nan tou huang rou nan

Iozoste acuminata Blume, Mus. Bot. 1: 364. 1851; Actinodaphne longifolia (Blume) Nakai; A. morrisonensis (Hayata) Hayata var. nantoensis (Hayata) Yamamoto; A. nantoensis (Hayata) Hayata; Fiwa longifolia (Blume) Nakai; F. nantoensis (Hayata) Nakai; Litsea acuminata (Blume) Kurata (1968), not (Teschner) Kostermans (1968); L. dolichocarpa Hayata; L. nantoensis Hayata; Machilus longifolia Blume; Tetradenia dolichocarpa (Hayata) Makino & Nemoto.

Trees. Branchlets glabrous. Leaves alternate; petiole 5-20 mm, glabrous; leaf blade lanceolate, 7.5-13 × 1.5-3 cm, pubescent abaxially, glabrous adaxially, pinninerved, lateral veins 12 pairs, reticulate-veined, base acute or broadly cuneate, apex acuminate. Umbels axillary, 3- or 4-flowered; involucral bracts 5, imbricate. Pedicel densely villous. Perianth segments 6, ovate or oblong, ca. 2.5 × 1-1.2 mm. Male flowers: fertile stamens 9; filaments villous at base, of 3rd whorls each with 2 shield-shaped sessile or subsessile glands at base; rudimentary pistil lacking. Female flowers: staminodes 9; ovary ovoid, ovary, style, and stigma glabrous; style slender; stigma 2-lobed. Fruit ellipsoid, seated on cup-shaped perianth tube. Fl. Feb-Mar.

Evergreen broad-leaved forests; low to medium elevations. Taiwan [Japan].

Liu (Woody Fl. Taiwan, 155. 1972) recorded this species from the forest of Congaing, Yong’an, Fujian Province, at 700 m, but the specimen has not been seen by the present authors.

This species and Actinodaphne mushaensis have been treated under both Actinodaphne and Litsea. However, based on the number and imbricate arrangement of their involucral bracts, they do not belong to Litsea and so are retained here under Actinodaphne.

The wood is used for construction and furniture.


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