Cinnamomum

CINNAMOMUM View in CoL

Cinnamomum Schaeff. (1760) View in CoL 268, 269 (nom. cons, fide Dandy 1967: 40); Blume (1826) 568; Merr. (1921) 272; Cammerl. (1925) 446; Merr. (1929) 77; Masam. (1942) 308; F.G. Browne (1955) 211; Kosterm. (1957) 233; (1964) 1267;P.F. Burgess (1966) 332;J.A.R. Anderson (1980) 222;Kosterm. (1986) 1; Kessler & Sidiy. (1994) 152; Rohwer (1993) 381; Coode et al. (1996) 151; Argent et al. (1997) 308; Beaman et al. (2001) 398; van der Werff (2001) 135.

(see Kostermans (1986) for all generic synonyms and references)

Shrubs or trees to 50 m tall, with or without buttresses. Bark, root and crushed leaves often with a characteristic smell of cinnamon (cinnamic aldehyde), cloves (eugenol), sassafras (safrole), camphor (camphor) or a combination of these odours. Twig terete or angular, usually apically angular or subangular, 1–5 mm diam, hairy or glabrous. Terminal buds not perulate or rarely perulate, glabrous or hairy. Leaves opposite to subopposite or rarely alternate, rarely at twig-end the leaves are arranged closely in spiral; triplinerved, trinerved or rarely penninerved, if trinerved or triplinerved, the lateral veins ascend toward the leaf tip or between 1/2– 2/ 3 of the lamina length; mature blades glabrous above, glabrous or hairy below, frequently glaucous below, margin entire; major intercostal veins scalariform, subscalariform or rarely reticulate; minor intercostal veins reticulate or scalariform. Inflorescences axillary or subterminal; paniculate-cymose with 1–3 order branching, flowers of the ultimate

© 2011 Nationaal Herbarium Nederland branch arranged in cyme, rarely racemiform; rachis angular; bracts caducous or persistent. Flowers bisexual, trimerous, appressed hairy; receptacle tube shallow, 0.5 – 3 mm deep; perianth lobes 6 in 2 whorls, equal; fertile stamens 9, in 3 whorls, filaments 1/4–3/4 the length of stamen; anthers 2- or 4-locular, if 4-locular the locules of the upper pair smaller than that of the lower pair, anther of the first and second whorls of stamens introrse, those of the third whorl extrorse-latrorse; third whorl stamens with 2 stipitate reniform glands attached on each side of the filaments; the gland stalks free or fused with the filaments; staminodes 3, in the fourth whorl, stipitate, hairy, apex sagittate or hastate; ovary superior, stigma subpeltate, peltate, discoid or trilobed. Fruits ellipsoid, obovoid, ovoid to globose seated on cupule, drupaceous, epicarp waxy, glabrous, pericarp thin or thick, often fragrant; cupule small to well-developed, subtending the lower part of the fruit; perianth lobes persistent, partly persistent or caducous. Seeds 1 per fruit, smooth, glabrous; endosperm absent; germination hypogeal.