PNGTrees – Tabernaemontana pandacqui Lam.

  

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

Tabernaemontana pandacqui Lam.

Tableau Enc. 2 (1792)


Family: Apocynaceae
Dicotyledon
No. Non-timber species

Field Characters: Small trees 10-20 m high. Bole cylindrical 12-25 cm diam.; straight bole 5 -8 m high; buttresses absent; spines absent; aerial roots absent; stilt roots absent. Bark grey, slightly rough, pustular; lenticels slightly elongated laterally or rounded/swelling; subrhytidome yellow; bark thickness <25 mm thick, 5.0 mm thick; blaze consisting of one layer; faintly to non-aromatic; outer blaze yellow, with stripes, granular without splinters; inner blaze yellow, with stripes, granular without splinters; exudate absent present on twigs and leaves. 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, not winged, attached to base of leaf blade <not peltate>, not swollen; lamina broadest above middle, 6.5-14.0 cm long, 2.5-4.5 cm wide; lamina very asymmetric, margin entire, not dissected or lobed, apex abruptly acuminate, venation pinnate <secondary veins arising from the midrib along its length>, secondary veins open <spaced far apart to easily see tertiary veins>, 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 usually terminal <at branch ends> or leaf-opposed <arising opposite a leaf, not between a leaf and a branch>. Flowers on a branched axis; flowers bisexual, stalked, with many planes of symmetry <actinomorphic>, 16.0-20.0 mm long, large (>10 mm diam.) 15-20 mm diam.; perianth present, with distinct sepals and petals, white sweetly aromatic; inner perianth 5, some or partly joined; stamens 5, filaments present short, free of each other, joined to perianth <epipetalous/episepalous> ovary superior <seated above petals and sepals; hypogenous>, carpels joined (when more than one) <syncarpous> by style or mostly separate (when more than one) <apocarpous>, locules 2; styles solitary <including joined together>, 1.


Fruit 30-35 mm long, 20.0 (laterally flattened) mm diam., fruit red, not spiny, slightly fleshy, simple, dehiscent tardily, follicle. Seeds 1-2 (cream-coloured), much more than 10 mm long c. 20 mm long, not winged, longer than wide, 1-10 mm diam. 8-10 mm diam.

Distribution: Morobe.


Tabernaemontana pandacqui
Botanical records
in PNGplants database

Map details


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