Vegetative key to the families
Vegetative Key Vegetative key to the families
EPIPHYTES on trees or rocks
Leaves with parallel venation, or terete. Pseudobulbs and aerial roots with velamen often present (Fig. 41) Orchidaceae
Plants epiphytic on trees, logs, rocks
Leaves linear, many times longer than broad
Leaves not basal, terete Dendrobium
Leaves basal, flat or folded. Plants tufted