Flora of the Hawaiian Islands
Dicotyledon Literature for Buddleja asiatica
Wagner et al., 1990, 1999.
   Buddleiaceae Bibliography
      Buddleja asiatica

Common name(s): butterfly bush, dog tail, huelo`ilio
General Information
DistributionNative from western Pakistan and central India to southern China, Taiwan, Malesia, and the Mariana Islands.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Scrophulariaceae - Buddleja asiatica Scrophulariaceae - Buddleja asiatica

Shrubs or sometimes small trees 1-7 m tall; stems densely appressed pubescent when young.
Leaves opposite, becoming alternate above, oblong to ovate or lanceolate, 4-30 cm long, 0.7-7 cm wide, usually glabrous, occasionally densely pubescent, margins remotely serrate-dentate to subentire, petioles 0.7-1 cm long, connected by an inconspicuous stipular line.
Flowers in terminal and axillary, thyrsoid or spiciform cymes; calyx campanulate, 2-4.5 mm long, cleft 1/3-1/2 its length, ± densely tomentose; corolla white, sometimes pale purple or greenish, 3.5-6 mm long, the lobes 1-1.5 mm long, stellate pubescent externally and woolly pubescent in the tube; ovary glabrous.
Fruit a dry, dehiscent capsule, ovoid to oblong-ovoid, somewhat flattened, 3-5 mm long.
Seeds ellipsoid, ca. 1 mm long, both ends with a short wing.
2n = 30, 38