22 MINOR PRODUCTS OF PHILIPPINE FORESTS 



This species has been reported from Benguet, Albay, and 

 Mindanao. 



DENDROBIUM CRUMENATUM Sw. (Fig. 9). Irau. 



Local names: Ddpo * (Tayabas) ; irdu (Camarines, Albay, Sorsogon) ; 

 karamosi (Ilocos Norte) ; karausi (Cagayan) ; karulai (Isabela) ; magimpal, 

 magimapan (Bohol) ; man'dn (Leyte) ; sanggumai (Laguna). 



The stalk of Dendrobium crumenatum is up to a meter in 

 length and, for a distance of about 20 centimeters from the base, 

 is bulbous and fluted. The leaves are 5 to 8 centimeters long 

 and 1.5 to 2.5 centimeters wide. The flowers are 2.5 to 3 centi- 

 meters in length, white with a pale yellow center, and very 

 fragrant. All the plants of this species in the same region 

 flower on the same day, the flowers lasting one day or less. 



This species is common and widely distributed in the Philip- 

 pines and is frequently cultivated for ornamental purposes. 



DENDROBIUM DEAREI Reichb. f. 



Dendrohium dearei is an epiphytic orchid with cylindrical stems 

 which may be more than 50 centimeters in length. The leaves 

 are about 5 centimeters long and 2 centimeters wide. The flow- 

 ers are white with a lemon-yellow center, and about 7 centimeters 

 in width when spread out. The stalks of the individual flowers 

 are about 4 centimeters long so that they project beyond the 

 leaves. The flowers remain on the stems for a long time. 



This species has been reported from Benguet. Mindoro, and 

 Mindanao. 



DENDROBIUM LYONII Ames. (Fig. 10). 



Dendrobium Ujonii is an epiphytic orchid with bulbous stems. 

 The leaves are leathery, about 17 centimeters long and 3.5 to 4 

 centimeters wide. The flowers are wine red at the base, lighter 

 colored at the edges, 4 centimeters long and 8 centimeters wide, 

 and are borne on special leafless branches. 



This species has been reported from Bataan Province. 



DENDROBIUM REVOLUTUM Lindl. 

 Local name: Sanggumai (Bataan). 



Dendrobium revolutum is an epiphytic orchid with pendant 

 stems. The leaves are 3 to 4 centimeters long and 1.5 centi- 

 meters wide. The flowers occur singly along the stems opposite 

 the leaves. They are 2 centimeters long, odorless, and white. 

 The lip is pale green. 



* The word dapo, which occurs so frequently, alone or in composition, in 

 the names of orchids and other epiphytic plants, means "to roost," "to perch" 

 and is commonly and quite properly applied, therefore, to any epiphyte. 



