Metadina trichotoma (Zoll. & Moritzi) Bakh.F.

Species

Angiosperms > Gentianales > Rubiaceae > Metadina

Characteristics

Trees, apparently evergreen, flowering at 5-10 m tall; branches compressed becoming terete, brown to gray, puberulent to glabrous, usually densely lenticellate with elliptic white raised lenticels. Petiole 3-10 mm, glabrous; leaf blade drying stiffly papery to subleathery, lanceolate, elliptic-lanceolate, or ovate-oblong, 6-20 × 2-7 cm, adaxially glabrous and rather shiny, abaxially glabrous to puberulent or tomentulose at least along veins, base acute to obtuse, apex acute to caudate-acuminate; secondary veins 8-12 pairs, sometimes with small pilosulous domatia in axils; stipules deltoid to narrowly triangular, 5-8 mm, acute to perhaps obtuse. Inflorescence glabrous to densely puberulent or tomentulose; peduncles 1.5-3 cm, usually articulate and with 4 caducous bracts 1-3 mm near middle; flowering heads 6-7 mm in diam. across calyces, ca. 12 mm in diam. across corollas; bracteoles ca. 2 mm. Calyx with ovary portion obconic, 0.5-1 mm, pilosulous to glabrescent, surrounded at base by a ring of pilose trichomes ca. 0.5 mm; limb lobed essentially to base; lobes 1-2 mm, narrowly elliptic-oblong, obtuse. Corolla outside glabrous; tube 3-3.5 mm; lobes triangular-spatulate, ca. 1 mm. Stigmas obconic, ca. 1 mm, exserted for ca. 5 mm. Fruiting head 8-10 mm in diam. Capsules obovoid to obconic, ca. 1.5 mm, pilosulous at least on apical portion. Fl. and fr. Apr-Dec.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 5.0 - 10.0
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Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

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Usage

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

Cultivation

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Distribution

Metadina trichotoma world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:756196-1
WFO ID wfo-0000242335
COL ID 429QT
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Nauclea capitellata Metadina trichotoma Nauclea polycephala Adina polycephala var. macrophylla Aidia polycephala var. macrophylla