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PNGTreesKey Quintinia ledermannii Schltr.

 

Barry Conn (NSW) & Kipiro Damas (LAE).
Guide to trees of Papua New Guinea
Copyright held by the authors, National Herbarium of New South Wales, and Papua New Guinea National Herbarium

Quintinia ledermannii Schltr.

Botanische Jahrbucher für Systematik, Pflanzengeschichte und Pflanzengeographie Vol. 52: 125 (1914)

Family: Quintiniaceae
Dicotyledon

Timber Group: Non-timber species

Field Characters: Large canopy tree (up to 30 m high) or Small sub-canopy tree (up to 10 m high); Bole cylindrical (40 cm diam.); straight (bole c. 25 m high); buttresses buttresses absent; spines spines absent; aerial roots aerial roots absent; stilt roots stilt roots absent; Bark brown, rough, pustular, lenticels elongated vertically; Subrhytidome (under-bark) red or brown; less than 25 mm thick, 12.0; bark blaze consisting of one layer; strongly aromatic; pleasant; outer blaze pale brown, with stripes, slightly fibrous; inner blaze pale brown, with stripes, slightly fibrous; bark exudate (sap) present, colourless, not readily flowing (spotty), colour not changing on exposure to air, not sticky; terminal buds not enclosed by leaves.

Indumentum: Complex hairs absent; stinging hairs present; mature twig indumentum (hairs) absent.

Leaves: Leaves spaced along branches, spiral (leaves occurring singly at a node and arranged spirally up the branchlet), simple (a leaf composed of a single blade); petiole present, not winged, attached to base of leaf blade, not swollen; leaves sometimes broadest above middle or usually broadest at or near middle, 20.0-70.0 cm, 7.0-20.0 (-30.0) cm; symmetric, entire, not dissected or lobed, rounded or obtuse, venation pinnate, secondary veins open, prominent or not prominent, but visible, intramarginal veins absent; leaves lower surface pale green, upper surface dark green, indumentum (hairs) absent; absent; domatia absent; stipules absent.

Flowers: Inflorescence axillary, flowers on an unbranched axis, cones absent; flowers bisexual, stalked, flowers with many planes of symmetry, 2.0-3.0 mm long, diameter small (up to10 mm diam.) (3-4 mm diameter); perianth present, with distinct sepals and petals whorls, inner perianth white; 4, free; stamens 4, present, free of each other, free of the perianth (joined at base of corolla); ovary partly inferior or inferior, carpels joined (when more than one), locules 5; styles solitary, 1.

Fruits: Infrutescence arranged on unbranched axis, fruit 5.0 (c. including persistent sepals) mm long, 4.0 (c.) mm diam., green or brown, not spiny, non-fleshy, simple, dehiscent, capsule; seeds 20-(or more)-50, to about 5 mm long, not winged, narrow (longer than wide), seed less than 1 mm diam.

Distribution: West Sepik or Morobe.


Quintinia ledermannii
Botanical records
in PNGplants database

Map details



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Notes: Notes Formerly placed in the family Saxifragaceae, Grossulariaceae or Escalloniaceae.

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