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PNGTrees Ixora amplexifolia K.Schum. & Lauterb.

 

Barry Conn (NSW) & Kipiro Damas (LAE).
Copyright held by the authors, Royal Botanic Gardens and Domain Trust, and Papua New Guinea National Herbarium

Ixora amplexifolia K.Schum. & Lauterb.

Flora der deutschen Schutzgebiete in der Südsee 572 (1901)


Family: Rubiaceae
Dicotyledon
No. Non-timber species

Field Characters: Small trees up to 15 m high. Bole cylindrical 25 cm diam.; straight bole 8 m long; buttresses absent; spines absent; aerial roots absent; stilt roots absent. Bark brown, rough, fissured or pustular; lenticels irregular; subrhytidome yellow; bark thickness <25 mm thick, 5.0 mm thick; blaze consisting of one layer; faintly to non-aromatic; outer blaze pale yellow cream-coloured, slightly speckled, fibrous or slightly granular with splinters; inner blaze pale yellow cream-coloured, slightly speckled, slightly granular with splinters or fibrous; exudate present, colourless, spotty, changing colour on exposure to air, to orange, not sticky. Terminal buds not enclosed by leaves; complex hairs absent; stinging hairs absent; mature twig without hairs.

Leaves: Spaced along branches <internodes readily visible>. Leaves opposite, simple; petiole present petiole 15-25 mm long, not winged, attached to base of leaf blade <not peltate>, not swollen; lamina broadest above middle or broadest at or near middle, 12.0-19.0 cm long, 4.0-6.0 cm wide; lamina symmetric, margin entire, not dissected or lobed, apex acuminate, venation pinnate <secondary veins arising from the midrib along its length>, secondary veins open <spaced far apart to easily see tertiary veins>, prominent or not prominent, but visible, intramarginal veins absent; lower surface pale green, upper surface green, hairs absent; oil dots absent; domatia absent; stipules absent.

Flowers: Inflorescence axillary <from between a leaf and branch>. Flowers on a branched axis; flowers bisexual, shortly stalked pedicel 1-3 mm long, with many planes of symmetry <actinomorphic> perianth present.

Distribution: West Sepik or Morobe.


Ixora amplexifolia
Botanical records
in PNGplants database

Map details




Conn5267.
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