Dicotyledon | Literature for Ludwigia octovalvis
Wagner et al., 1990, 1999; Lorence & Wagner, 2020. Literature for Ludwigia octovalvis subsp. octovalvis Raven, 1963. Literature for Ludwigia octovalvis subsp. sessiliflora Raven, 1963. Literature for Ludwigia octovalvis subsp. brevisepala Raven, 1963. |
Onagraceae -- The Evening Primrose Family | Bibliography |
Ludwigia octovalvis | |
Common name(s): false loosestrife, water primrose, alohalua, kamole, kamole lau li`i, kamole lau nui, primrose willow |
General Information | ||
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Distribution | Pantropical.In the Hawaiian Islands, indigenous to Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i. |
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Habit |
Robust, erect to spreading, many branched perennial herb or shrub, 1‒4 m tall, subglabrous to densely villous. |
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Leaves |
Leaves alternate, short-petiolate; blade linear to narrowly ovate, 0.7‒14.5 cm long, 0.1‒4 cm wide, margin entire; petiole 0‒1 cm long. |
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Flowers |
Sepals 4, (6‒)8‒13 mm long; petals yellow, 5‒16 mm long; stamens 8, those opposite the petals with a white, pubescent, sunken nectary, pollen shed in tetrads; stigma surrounded by the anthers and pollen shed directly on it. |
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Fruit |
Fruit thin walled, 17‒45 mm long, irregularly dehiscent. |
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Seeds |
Seeds in several indistinct rows per locule, free from endocarp, 0.6‒0.8 mm long, raphe inflated and nearly equal in size to body of seed. |
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Chromosomes |
2n = 32*, 48. |
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Notes |
FNA |
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Contributor |
Nancy Khan |