Dehaasia hainanensis Kosterm.

Species

Angiosperms > Laurales > Lauraceae > Dehaasia

Characteristics

Shrubs or small trees, up to 5 m tall, to 15 cm d.b.h. Branchlets yellow-white initially but soon grayed, slender, glabrous, warty, lenticellate, with distinctive leaf scars; young ones ± angled; innovation covered with long and finely appressed hairs. Leaves alternate; petiole brown, (0.5-)1-2.3 cm, concave-convex, glabrous; leaf blade glaucous abaxially when young but nearly concolorous on both surfaces when mature, shiny adaxially, suboblanceolate to oblanceolate-elliptic, 3.5-9 × 1.5-4 cm, thinly leathery, glabrous on both surfaces, midrib elevated abaxially, impressed on its lower part at least adaxially, lateral veins (7 or)8-10 pairs, oblique-patent, arcuately interconnected near leaf margin, veins and veinlets conspicuous and foveolate on both surfaces, base attenuate and acute, apex shortly acuminate or obtuse. Panicle axillary, up to 2.5 cm before anthesis, very slender, glabrous, few flowered, few branched or nearly unbranched; peduncle slender; bracts and bracteoles subulate, deciduous. Pedicels slender, up to 5 mm. Flowers small, glabrous, up to 1.5 mm. Perianth tube broadly obconical, 0.5-0.8 mm; perianth lobes 6, subequal, broadly ovate, thin, 1.2-1.5 × 1.2-1.3 mm. Fertile stamens 9, densely golden villous, ca. 0.8 mm (of 1st and 2nd whorls) or ca. 0.7 mm (of 3rd whorl); filaments of 3rd whorl each with 2 suborbicular-cordate glands at base, those of 1st and 2nd whorls glandless; anthers of 1st and 2nd whorls broadly ovoid, with 2 introrse cells, those of 3rd whorl ovoid-square, truncate at apex, with extrorse cells. Staminodes deltoid-conical, stalked, including stalk ca. 0.6 mm; stalk densely golden yellow villous. Ovary ovoid, including style ca. 1.2 mm; style slightly slender; stigma small and subpeltate. Fruit ovoid, ca. 1.2 mm; fruit stalk slightly thickened, ca. as long as fruit. Fl. Apr-Jun, fr. Jul-Oct.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 5.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

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

Cultivation

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

Distribution

Dehaasia hainanensis world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:464296-1
WFO ID wfo-0000639224
COL ID 6CGSQ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Dehaasia hainanensis