Austrobuxus dentatus Welzen & P.I.Forst.

Species

Angiosperms > Malpighiales > Picrodendraceae > Austrobuxus

Characteristics

Shrubs to trees, up to 12 m high, dbh up to 15 cm; flowering branchlets 2-4.5 mm diam., somewhat wrinkled when dry, the youngest shoots somewhat flattened, smooth, the older ones rough. Outer bark cracked with reticulate grooves, brown; wood quite tough, without exudate nor smell; sapwood pink; heartwood pale straw-coloured. Leaves: petiole 3-8 mm long, slightly hairy when young, red; blade elliptic to obovate, 2.5-10 by 1-4.7 cm, length/width ratio 1.7-3.6, margin recurved, with teeth, these drying black, caducous, scar glandular dot-like, apex rounded to blunt, upper surface glabrous, smooth, dark green, lower surface slightly hairy when young, soon glabrous, smooth, light green; venation distinct on both sides especially the lower surface, nerves 8-11 per side. Staminate inflorescences and flowers unknown. Pistillate inflorescences single to few together, cymose, somewhat hairy, up to 1.7 cm long; largest bracts triangular, c. 1.5 by 1.5 mm, slightly hairy outside. Pistillate flowers unknown, data from fruits; pedicels up to 10 mm in fruit, slightly hairy; sepals 4, ovate, c. 1.6 by 2 mm, outside and especially the margin hairy; disc entire to lobed, hairy; ovary 2-4-locular, glabrous?; stigmas reniform when young to soon completely split. Fruits subglobose, 14-15 by 13-14 mm, yellow to (orange-)red to brownish red, glossy, wall generally thin, up to 1 mm thick; column 11-13 mm long. Seeds obovoid, c. 7 by 4.8 by 3 mm, red, shiny light brown when dry; caruncle yellow, black when dry, consisting of straight, moderately-long to long papillae, up to 2-5 mm long, drying yellowish (long) to brownish to blackish (short), in a rather lax group.
Life form perennial
Growth form tree
Growth support -
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 12.0
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) 9-12

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

Austrobuxus dentatus world distribution map, present in Indonesia and Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:77104813-1
WFO ID wfo-0000916450
COL ID JVTL
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Austrobuxus dentatus