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Hydrophyllum

See list of 2 species in this genus
  • 1a. Principal stem leaf blades broad-ovate to broad-triagular in outline, pinnately lobed with deep sinuses that extend nearly to the midrib; calyx lobes ciliate with stiff hairs, not alternating with appendages in the sinuses; peduncles usually longer than the petioles 
of the subtending leaves
  • 1b. Principal stem leaf blades ± orbicular in outline, palmately lobed with relatively shallow sinuses [Fig. 497]; calyx lobes usually glabrous, sometimes alternating with minute appendages in the sinuses; peduncles usually shorter than the petioles of the subtending leaves

 Show photos of:   Each photo represents one species in this genus.