Dicotyledon | Literature for Heliotropium arboreum
Wagner et al., 1990, 1999. |
Heliotropiaceae | Bibliography |
Heliotropium arboreum | |
Common name(s): tree heliotrope |
General Information | ||
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Distribution | Native to tropical Asia, Madagascar, tropical Australia, and Polynesia.In the Hawaiian Islands, naturalized on Kure, Midway, Pearl and Hermes, Lisianski, Laysan, French Frigate Shoals, Ni`ihau, Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i. |
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Habit |
Small trees 1-5 m tall. |
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Leaves |
Leaves alternate but appearing whorled, fleshy, oblanceolate to obovate, 10-20 cm long, 3.5-9 cm wide, densely silky pubescent, apex obtuse, base attenuate. |
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Flowers |
Flowers sessile in stiff, paniculate, scorpioid cymes usually 6-8 cm long; calyx lobes oblong to orbicular, ca. 1.5 mm long, densely silky strigose; corolla white, ca. 2.5-3.3 mm long, the tube short, 1.5-2 mm long, the lobes elliptic; stamens slightly exserted. |
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Fruit |
Fruit white, fleshy, globose, ca. 4 mm in diameter, glabrous. |
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