Vrydagzynea Blume
二尾蘭屬
LEOU, Chong-Sheng
Terrestrial perennials. Stem ascending from short or long creeping base, terete, nodose, leafy above. Leaves petiolate, ovate. Inflorescence terminal, usually short spike, with small, dense flowers. Flowers resupinate, perianth not spreading; sepals subequal, erect, dorsal one smaller, forming hood with petals, lateral ones concave and oblique at base; petals often shorter than dorsal sepal; lip included, connate with base of column, mainly an erect blade and large basal spur, blade triangular-ovate, inflexed at upper margins, elevated and rugose at disc, spur projecting between base of lateral sepals, flated, with 2 stipitate glands inside; column stout, without appendages; anther erect on dorsal side of column, 2celled; pollinia 2, sectile, attached to large viscidium; stigmatic lobes 2, protruding from base of rostellum on lateral sides; rostellum short, ovate-lanceolate, becoming truncate and toothed at apex after removing viscidium; viscidium with knob-like elevation at back.
About 25 Species; from northern India to Fiji and the Hawaiian Islands. One species in Taiwan.
