Cinnamomum rigidissimum H.T.Chang

Species

Angiosperms > Laurales > Lauraceae > Cinnamomum

Characteristics

Small-to medium-sized trees, 3-22 m tall, ca. 50 cm d.b.h. Bark brown. Branchlets gray-brown or blackish brown, terete, glabrous, resin-scented, slightly compressed, angled especially when young, gray-brown tomentose when young. Leaves opposite; petiole (0.8-)1-2 cm, complanate, slightly sulcate adaxially, glabrous; leaf blade greenish and opaque abaxially, green and shiny adaxially, ovate, broadly ovate, or elliptic, (3.5-)4-7(-8) × (2.2-)2.5-4(-6) cm, leathery or thickly leathery, glabrous on both surfaces or sparsely puberulent initially but soon glabrate abaxially, triplinerved, midrib and basal lateral veins elevated on both surfaces, basal lateral veins arising at or up to 5(-7) mm above leaf base, arcuate, evanescent below leaf apex, with a few inconspicuous additional veins outside, sometimes also with additional delicate short veins from leaf base, transverse veins ± visible on both surfaces, veinlets reticulate and inconspicuous on both surfaces, base broadly cuneate or obtuse to subrounded, apex obtuse or acute. Inflorescence axillary on current year branchlets, subumbellate, 3-6(-8.5) cm, 3-7(-11)-flowered; peduncle 2-4 cm, sparsely appressed pubescent. Flowers unknown. Mature fruit ovoid, ca. 2 × 1.4 cm, cream-yellow; stalk ca. 5 mm, subterete; perianth cup in fruit greenish to green-blue, shallowly cupuliform, ca. 1 cm, apex truncate, ca. 1.5 cm wide.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.0 - 22.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 7-12

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
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Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Cinnamomum rigidissimum world distribution map, present in China, Taiwan, Province of China, and Viet Nam

Conservation status

Cinnamomum rigidissimum threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:463656-1
WFO ID wfo-0000605390
COL ID 5YV3H
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Cinnamomum brevipedunculatum Cinnamomum ovatum Cinnamomum rigidissimum