Flora of the Hawaiian Islands
Dicotyledon Literature for Arthrostemma ciliatum
Wagner et al., 1990, 1999.
   Melastomataceae -- The Melastoma Family Bibliography
      Arthrostemma ciliatum
General Information
DistributionNative to the Neotropics.In the Hawaiian Islands, naturalized on O`ahu, Hawai`i.

Scandent perennial herbs; stems succulent, 1-4 m long, glabrous or glandular pilose.
Leaves ovate to ovate-lanceolate, 2.5-4.3 cm long, 1.4-4.5 cm wide, 5-7-nerved, upper surface sparsely bristly, lower surface glabrous to glandular bristly, margins ciliolate-serrulate, apex acute to long-acuminate, base truncate to subcordate, petioles 0.6-3.2 cm long.
Pedicels 7-15(-19) mm long in fruit; hypanthium 7-10 mm long in flower; calyx lobes 1-3.5 mm long in fruit, 2-3.5 mm wide at base, with 1-2 subapical glandular hairs; petals obliquely apiculate, 2-3 cm long, 1.1-1.6 cm wide; anthers of larger stamens ca. 6 mm long, connective prolonged 0.25-0.5 mm or 5-7 mm below and modified basally into ventral, bifid spurs ca. 1.5 mm long or linear, apically acute or lobed spurs 3-5 mm long, respectively, anthers of smaller stamens ca. 5 mm long, connective not prolonged ventrally but modified at the filament insertion into a deeply notched spur ca. 2 mm long. Fruiting hypanthium oblong-ellipsoid, 15-20 mm long, 8-9 mm wide.
Seeds ca. 1 mm long.
2n = 60