嶺南黃蘭又名黃蘭(Cephalantheropsis obcordata)，屬地生蘭，可長至80cm厘米高。葉互生，呈橢圓形至披針形，長15-40厘米。花瓣黃色，萼片淡綠色，隨著時間而變黃，形狀彎曲。嶺南黃蘭花期為十一下旬至翌年二月，一般可生長於溪流附近、山坡旁或樹林下。黃蘭, 嶺南黃蘭分佈於中國南部及東南亞地區，但因為其花容易吸引人們非法採摘，現時列為近危物種。

Slender calanthe (Cephalantheropsis obcordata) is a terrestrial orchid, up to 80cm tall. Leaves alternate, elliptic-lanceolate, 15-40cm long. Sepals and petals are strongly recurved, greenish-yellow, will turn into yellow with time, . Cephalantheropsis obcordata flowering from November to February, generally grow near streams, on slopes or beneath forest . Cephalantheropsis obcordata is distributed in southern China and southeast Asia. As their fragrance easily attracts people illegally collected. Having fragrant flowers may attract illegal collection, so it is currently classified as Near Threatened（NT）in Hong Kong.