Sentence:  These frightful precipices were partially concealed from us by a treacherous growth of under-brush, sea-side grape, with <WSD>tendrilous</WSD> and parasitical plants pendant from the loftier trees, as at intervals there shot up a gru-gru, or a gree-gree, another variety of the palm tribe. 
Meaning of the word marked with <WSD> tags:  Having many tendrils.