Magnolia borneensis Noot.

Species

Angiosperms > Magnoliales > Magnoliaceae > Magnolia

Characteristics

Tree 23-40 m by 40-112 cm; twigs glabrous; stipules glabrous at both surfaces. Leaves glabrous, usually narrowly elliptic, rarely elliptic, 7.5-21 by 3.5-6 cm; acumen 7—10(—15) mm; base acute to sometimes nearly rounded; midrib much prominent on the undersurface; nerves in 11-16 pairs, intra-marginal vein rather inconspicuous, slightly prominent on both under-and uppersurface; reticulation very fine (about half as fine as in M. elegans), slightly prominent on the otherwise very smooth and somewhat glossy uppersurface, inconspicuous to slightly prominent on the rather dull and mostly darker coloured undersurface, rarely more prominent on both surfaces. Petiole rather slender, 12-17 mm. Brachyblast glabrous, often curved at the base, 3-5 cm long; pedicel 2-5 mm; spathaceous bracts glabrous, c. 4.5 cm long. Outer tepals 4, c. 4.5 by 1 cm; inner tepals 8, c. 4-4.5 by 1.5 (the outer ones)-1 (the inner ones) cm. Stamens c. 55, filament c. 1 mm, anthers 8-13 mm, setaceous connective appendage 10-15 mm; gynophore in the observed flowers clearly present. Fruits ellipsoid or ovoid, c. 5-7 by 4-5 cm, pedicel, scars of perianth and stamens, and gynophore all c. 5 mm long or gynophore reduced.
Life form perennial
Growth form tree
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 23.0 - 40.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Rare, 14 collections in total. In primary forest, on sandy loam (once recorded) or on ultra-basic in Palawan; from low up to 1800 m. Fl. Feb.-Aug.; fr. Feb.-Nov.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

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

Cultivation

Mode -
Germination duration (days) 120
Germination temperacture (C°) 10
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Magnolia borneensis world distribution map, present in Indonesia, Malaysia, and Philippines

Conservation status

Magnolia borneensis threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:933060-1
WFO ID wfo-0000233026
COL ID 3XH6S
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Aromadendron borneense Magnolia borneensis