Garcinia harmandii Pierre (1882

Nazre, M., Newman, M. F., Pennington, R. T. & Middleton, D. J., 2018, Taxonomic Revision of Garcinia Section Garcinia (Clusiaceae), Phytotaxa 373 (1), pp. 1-52 : 29

6. Garcinia harmandii Pierre (1882 : ad pl. 60).

Lectotype (designated here):— CAMBODIA, Kampong Thom, Compong Soai , February 1876, Harmand 349 (P!). [ Figure 11 ].

Small bushy tree, 6–10 m tall. Bole: no information. Exudate yellow. Twigs round and slightly angled, wrinkled longitudinally when dry, pale grey-brown to yellowish or blackish. Petiole dark brown or blackish, very finely transversely striate and slightly keeled, stout and short, 0.2–0.9 cm long. Lamina leathery, grey-brown or dark brown, spathulate or obovate, occasionally elliptic, 3.5–9.2 × 1.3–3.6 cm, apex sharply acuminate to mucronate, base cuneate to acute; margin entire and finely revolute; midrib flattened or slightly sunken above, raised below; secondary veins visible and slightly raised on both surfaces, cladodromous with intra-marginal veins; tertiary veins inconspicuous and fine, weakly and transversely ramified and reticulate. Glands very fine, inconspicuous to nearly invisible below, invisible above, in short wavy lines running across secondary veins. Inflorescences terminal; 2–6 flowers in a cluster, usually triads in males; sepals and petals 4; bracts triangular to 2 mm long. Male flowers [in bud] 3(–6); nearly sessile or on a very short pedicel; sepals concave, orbiculate or obovate, coriaceous, to 4 mm long; petals elliptic to oblong, to 8 mm long; stamens 4-lobed, opposite petals; pistillodes fungiform. Female flowers solitary or in a triad, pedicel short to 3 mm long; bracteole present; sepals concave, orbiculate, to 3.5 mm long; petals ovate, to 4 mm long; ovary sub-globose tipped with a black, rugose stigma. Fruits small, globose or ovoid, 7–10 × 6–11 mm, turning purplish when mature, wall rough and wrinkled when dry; tipped with sessile, black rugose, discoid or skull-cap-like stigma; seeds with a white, sweet aril.

Distribution and Habitat:—Lowland and hill forest in Cambodia and Vietnam.

Taxonomic Notes:—Little information is available for this species which is poorly represented in herbaria. The species is characterised by a spathulate leaf with a short pointed apex.

Additional specimens examined:— CAMBODIA: Mekong, 1866, Thorel 1018 (K!); Samrong Tong, Sruoi, March 1870, Pierre 776 (K!, P!); Kompong Speu, 1 June 1930, Poilane 17388 (P!).

VIETNAM: Dong Nai: April 1873, Pierre 1371 (A!, K!).

Figures

FIGURE 11. Garcinia harmandii Pierre. A. habit (male); B: inflorescence; C: fruit and stigma [(A, B: Pierre 1371, K); (C: Thorel 1018, K)]. Drawn by Anna Dorward.