Cinnamomum

Family Lauraceae. Order Laurales.

Small trees to shrubs. Buttresses absent. Spines absent. Stilt roots absent. Bark gray, brown; not peeling in strips. Exudate absent. Terminal buds not enclosed by leaves.

Complex hairs absent. Stinging hairs absent. Mature twig indumentum absent.

Leaves opposite, or spiral; not scale-like; simple; all of the same type; not modified into spines; coriaceous; gland-dotted, or not gland-dotted; symmetric at the base; not dissected; smooth margined. Epidermis not waxy. Venation trinerved. Secondary veins open; prominent, or not prominent, but visible. Smallest veins prominent, or not prominent, but visible; net like, or ladder like. Intramarginal vein present. Stalk of blade less than a quarter the length of the blade; not winged; attached to base of leaf blade; not swollen. Stipules absent. Domatia absent. Basal glands absent. Hairs on mature leaf present, or absent; dense, or sparse.

Inflorescences present; terminal, or axillary; on a branched axis; specialized inflorescence units absent; numerous and persistent inflorescence bracts absent. Flowers bisexual, or at least some flowers unisexual; with male and female flowers on the same plant; stalked; with the parts barely visible to the eye to about 0.5 cm long or across; round; with male or female parts not raised on a column. Hypanthium absent. Disk absent. Perianth present; with all whorls looking like tepals. Tepals 6 (unequal). Stamens 9; filaments present; free of each other; free of the perianth; all equal in size; number of stamens not a multiple of the adjacent perianth whorl. Anthers 4 loculed; not awned; dehiscing by valves. Ovary superior. Carpels solitary; 1. Locules 1. Styles solitary. Stigmas 3 lobed; not distinctive. Fruit berry-like; fleshy; not multiple; not splitting; not enclosed in, or sitting on, fleshy perianth parts; wingless. Seeds 1 per fruit; less than 5 mm, or about 1 cm long, or much more than 1 cm long; wingless; uniform in cross-section; aril absent; non-endospermic.

Leaves trinerved from base; perianth tube enlarged and hard in fruit. Taxon images: gencinna.gif


Cite this publication as: Jarvie, J.K. and Ermayanti (1996 onwards). `Tree Genera of Borneo - Descriptions and Illustrations' URL http://django.harvard.edu/users/jjarvie/Borneo.htm/.
Dallwitz (1980) and Dallwitz, Paine and Zurcher (1993) should also be cited.