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Mischarytera macrobotrys



Botanical Name

Mischarytera macrobotrys (Merr. & L.M.Perry) H.Turner

Turner, H. (1995) Blumea Supplement 9: 215. Type: ?.


Arytera macrobotrys (Merr. & L.M.Perry) R.W.Ham, Blumea 23: 291(1977), Type: ?. Mischocarpus macrobotrys Merr. & L.M.Perry, Journal of the Arnold Arboretum 21: 254(1940), Type: New Guinea, Middle Fly River, Lake Daviumbu, Aug 1936, L. J. Brass 7618; iso: BRI.


Sapwood surface corrugated.


Leaflets about 8-12 in the compound leaf, each leaflet blade about 8.5-20 x 3.5-6.5 cm. Domatia are small inconspicuous foveoles with a very narrow orifice. Leaflet stalks conspicuously swollen at their junction with the compound leaf rhachis. Lateral veins curved throughout their length. Leafy twigs longitudinally grooved or striated.


Male and female flowers produced in the same inflorescence. Male flowers: Flowers about 3-5 mm diam. Calyx lobes about 0.8 mm long. Petals about 0.5 mm long, apex hairy. Stamens eight, filaments about 2-3 mm long, lower half hairy. Anthers about 0.5-0.8 mm long, glabrous, connective sometimes mealy. Female flowers: Flowers about 2 mm diam. Calyx lobes about 0.8 mm long. Petals about 0.5 mm long, apex hairy. Staminodes short, filaments scarcely developed. Disk large and inflated. Ovary + style + stigma about 2 mm long.


Fruits about 2-3 cm long, irregularly dehiscent. Valves completely glabrous on the inner surface. Aril completely surrounding the seed.


First pair of leaves compound with 2-4 leaflets. Terminal leaflet (if present) much smaller than the lateral leaflets. At the tenth leaf stage: domatia (foveoles) present on at least some leaflets, leaflets +/- lanceolate but usually somewhat unequal-sided at the base, apex acuminate and mucronate, base +/- cuneate; midrib raised on the upper surface; lateral veins curved throughout their length; compound leaf petiole +/- flat on the upper surface but the compound leaf rhachis ridged on the upper surface. Stem longitudinally grooved or striated.

Distribution and Ecology

Occurs in CYP. Altitudinal range from near sea level to 150 m. Grows in gallery forest. Also occurs in Papua New Guinea.





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