Cinnamomum cuspidatum Miq., Ann. Mus. Bot. Lugd. Bat. 1 (1864)

Latin for 'pointed', referring to the leaves.

Synonyms
Cinnamomum graciliflorum Gamble

Diagnostics
Shrubs up to 5 m tall and 8 cm dbh. Twigs glabrous, Stipules absent. Petioles c. 1 cm long. Leaves (sub)-opposite, simple, tripli-veined, glabrous, up to 12 by 4 cm. Flowers ca. 4 mm diameter, white-yellow, placed in axillary cymes. Fruits ca. 15 mm long, purple-black, fleshy drupes placed on swollen flower base with persistent calyx lobes.

Description
Small tree to 7.5 m tall. Bark smooth, purplish brown; inner bark purplish brown; sapwood light pinkish brown. Twigs slender, 1-2 mm diameter, apically terete, glabrous, drying light brown. Terminal buds not perulate, covered with straight appressed hairs. Leaves opposite or subopposite, trinerved, chartaceous to thinly coriaceous, glabrous below; blade not bullate, without domatia, rounded or elliptic, (5-)7-12(-15) by (2-)3-4(-5) cm, base cuneate to narrowly cuneate, apex caudate, abruptly constricted, forming a slender and appendage-like acumen, (0.5-)1-3 cm long; midrib to 1 mm broad, raised or flat on both sides; lateral veins raised or flattened on both sides, extending to the base of acumen; major intercostal veins slender, 1-2(-5) mm apart, subscalariform, less prominent than midrib; minor intercostal veins indistinct, reticulate; petiole c. 1 cm long, c. 1 mm diameter, glabrous, deeply grooved above. Inflorescences axillary and/or subterminal, paniculate-cymose with first order branching, 4-6 cm long; rachis 1-2 mm broad, appressed hairy. Flowers drying grayish, appressed hairy; pedicels 3-5 mm long; hypanthium c. 1 mm high; perianth lobes, ovate elliptic, c. 2 mm long, appressed hairy; fertile stamens 1.0-1.5 mm long; anthers 2- or 4-locular, ovoid to narrowly ovoid with rounded or obtuse tip, filaments c. 3/4 the length of stamen, broad, transparent; glands sessile, attached at the middle of filaments; staminodes c. 1 mm long, sagittate; ovary subglobose, c. 1 mm across; stigma trilobed. Fruits broadly ellipsoid, 1-1.3 by 1 cm; cupule funnel-shaped, 3-5 mm high, 5-10 mm diameter; perianth lobes persistent, hardened, triangular, c. 2 mm long, appressed hairy; pedicel obconical, thick, 5 mm long. [from Wild Cinnamon of Borneo]

Ecology
In undisturbed mixed dipterocarp, keranga and sub-montane forests up to 1400 m altitude.

Distribution
Peninsular Malaysia, Sumatra, Java, Borneo.