Monocotyledon | Literature for Arundina graminifolia
Wagner et al., 1990, 1999. |
Orchidaceae -- The Orchid Family | Bibliography |
Arundina graminifolia | |
Common name(s): bamboo orchid |
General Information | ||
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Distribution | Native to southeastern Asia, India, Malesia, and a number of Pacific islands.In the Hawaiian Islands, naturalized on Kaua`i, O`ahu, Maui, Hawai`i. |
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Habit |
Tufted terrestrial herbs 10-25 dm tall, arising from short horizontal rhizomes; stems usually crowded together, completely enclosed by a series of persistent sheathing leaf bases. |
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Leaves |
Leaves firm, grass-like, linear-lanceolate, 8-30 cm long, 0.5-1.5(-2) cm wide, midrib impressed on upper surface, conspicuously raised on lower surface, margins entire, sheaths 2-4 cm long. |
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Flowers |
Flowers in terminal, racemose or paniculate inflorescences 10-70 cm long, peduncles slender, dark green or reddish purple, glabrous, bracts erect, broadly ovate, 3-7 mm long; sepals pale pink to rose, the dorsal one ascending, elliptic to elliptic-obovate, 3-4.5 cm long, ventral sepals appressed to surface of labellum, elliptic, 3-4.5 cm long; lateral petals similar in color to sepals, spreading or reflexed horizontally, broadly elliptic to obovate, 2.5-3.8 cm long; labellum pale to dark reddish purple, ± with yellow markings on the throat, 4-5 cm long, entire or weakly 3-lobed, middle lobe undulate, deeply cleft, margins irregularly crenate. |
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Fruit |
Capsules pendent, cylindrical, 6-ribbed, 3.5-5.5 cm long. |
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Seeds |
2n = 32, 40, 42 |
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