FIGURE 4 in Paraphyletic Species of Podostemaceae: Cladopus fallax and Polypleurum wallichii

FIGURE 4. Root habits of Polypleurum. Roots are reproductive (with flowers or fruits borne on flanks, indicating root habit; vegetative in A) and exposed in the dry season. A, B, E, F, adhering roots (W type); C, D, floating roots (S type). A−C. P. wallichii (A = P. wallichii-2, Khao Yai National Park, Thailand; B = P. wallichii-3, Meghalaya, India; C = P. wallichii-1, Koh Kong, Cambodia). D, E. P. stylosum (D, E, Kerala, India). F. Dried-up root remains of P. schmidtianum (at top, light brown) with those of Cladopus fallax (at bottom and right, white gray) in Koh Kong, Cambodia.