PNGTrees – Psychotria micralabastra Valeton
Barry Conn (NSW) & Kipiro Damas (LAE).
Copyright held by the authors, Royal Botanic Gardens and Domain Trust, and Papua New Guinea National Herbarium
Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie Vol. 61: 88 (1927)
Field Characters: Small trees 12 m high. Bole cylindrical 20 cm diam.; straight bole 2 m long; buttresses absent; spines absent; aerial roots absent; stilt roots absent. Bark pale green or brown, slightly rough or smooth, slightly pitted; subrhytidome green; bark thickness <25 mm thick, 6.0 mm thick; blaze consisting of one layer; faintly to non-aromatic; outer blaze pale red or brown, markings absent, slightly fibrous; inner blaze brown or pale red, markings absent, slightly fibrous; exudate present, colourless, flowing, not changing colour on exposure to air, not sticky. Terminal buds 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 at or near middle, 10.0-13.0 cm long, 6.0-7.5 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, intramarginal veins absent; lower surface pale green, upper surface green, hairs absent; oil dots absent; domatia absent; stipules present, joined, joined across twigs <growing between opposite leaves and leaving a scar between them when they fall; interpetiolar>, encircling the twig <amplexicaul>, leafy, not fringed, large <easily visible to the eye>, not persistent.
Flowers: Inflorescence terminal <at branch ends>. Flowers on a branched axis; flowers bisexual, stalked, with many planes of symmetry <actinomorphic> or slightly asymmetric, 2.5 mm long, small (< or =10 mm diam.) 3.5 mm diam.; perianth present, with all sepals and/or petals (hence tepals) similar sepals small or possibly absent, pale yellow often with greenish tinge; inner perianth 6, free or some or partly joined; stamens 6, filaments present, free of each other, joined to perianth <epipetalous/episepalous> ovary inferior <seated below the petals and sepals; epigenous> largely superior in fruit, carpels joined (when more than one) <syncarpous> styles solitary <including joined together>, 1.
Fruits: Fruits arranged on branched axis. Fruit 6-10 mm long, 5.0-8.0 mm diam., fruit red, not spiny, slightly fleshy, simple, indehiscent, drupe. Seeds 1, to about 5 mm long, not winged.
in PNGplants database