Vigna lanceolata var. filiformis Benth.

Scientific Description

Genus Vigna. Form twining or climbing plants. Stems Indumentum glabrous, Pustules or glands absent, Striation (stems ribbed) striate, Cross section terete, Spiny on any part of plant not spiny. Leaves or phylloclades Presence clearly present, Position alternate, Leaves compound, Leaves or phylloclade continuous with stem not continuous with stem, Cross section of leaf or leaflet flat with flat margins, Margins of leaf or leaflet entire, Tuberculate tubercles absent, Pustules or glands absent. Length Leaf length 50-85. Width (entire leaves only) Leaf width NaN (?). Scale leaves length mm long NaN (?). Leaflets Number three, Arrangement pinnately arranged. Terminal leaflet Presence present, Stalk stalked. Indumentum Presence glabrous. Stipules Presence present but early deciduous ( only visible on youngest leaves ), Glands with glands (?) or without glands (?), Ribs ribbed (?) or ribless (?). Length Stipule length NaN (?). Bracteoles Presence present but early deciduous, Indumentum glabrous, Striation not striate. Length Bracteole length 1-2. Pedicel Presence present, Indumentum glabrous. Length Pedicel length 1.5-2. Calyx Pustules or glands absent, Ribs ribless, Enlarged in fruit not accrescent. Length Calyx length 3-3.7. Indumentum Presence glabrous. Corolla Colour patterning uniformly coloured, Colour (when uniformly coloured) yellow, Petal claws ( the narrow base of the petals present. Length Corolla length 7.5-11. Indumentum Presence absent. Standard Indumentum glabrous, Auricles not auriculate. Length Standard length 7.5-10. Wings Auricles not auriculate. Length Wing length 6-7. Keel Auricles not auriculate, Indumentum glabrous, Beak not beaked. Length Keel length 8-9.5. Stamens Number nine (?) or ten (?). Anthers anther length 0.2-0.3, Position at two different levels (filaments alternately long and short). Filaments Fusion united in an open sheath with one free stamen. Length Filament length 9-11. Ovary Placement stipitate. Indumentum Presence hairy or glandular. Style Indumentum hairy or glandular towards the base, Bearded ( with a tuft of hairs at apex ) not bearded, Apex terete. Length Style length 14-14.5. Fruit Type dehiscent (a pod or follicle), Constriction constricted between the seeds, Compression flat or compressed, Placement stipitate, Beak not beaked. Length Fruit length NaN (?). Width Fruit width NaN (?). Indumentum Presence glabrous. Flowering time February, March, April or May. Distribution Botanical Province Northern, IBRA Bioregion Northern Kimberley, Victoria Bonaparte, Central Kimberley, Ord-Victorian-Plain or Dampierland.