| Stem indumentum | Densely covered by appressed to spreading retrorse trichomes | Sparsely to moderately hairy with appressed antrorse trichomes | Glabrous to sparsely hairy with short appressed antrorse trichomes restricted to either nodes or decussate grooves |
|---|
| Lamina size | 12–19 mm long, 3–5 mm wide | 15–26 mm long, 6–10 mm wide | 5–15 mm long, 1.5–4 mm wide |
|---|
| Lamina abaxial surface indumentum | Moderately to densely hairy across whole surface, midrib trichomes spreading to retrorse | Glabrous, occasionally with patches of long antrorse trichomes restricted to the midrib | Glabrous, occasionally with short appressed antrorse trichomes along the length of the midrib |
|---|
| Calyx | Densely covered in appressed retrorse trichomes, sessile glands indistinct or absent | Glabrous, moderately covered by sessile glands | Glabrous, occasionally with patches of short appressed to spreading antrorse trichomes, sparsely to moderately covered by sessile glands |
|---|
| Prophyll | Elliptic, densely covered in appressed to subappressed retrorse trichomes | Narrowly elliptic, glabrous except for a few antrorse trichomes restricted to the margin | Linear to terete, glabrous |
|---|
| Pedicel | Densely covered in appressed to spreading retrorse trichomes | Glabrous to sparsely hairy, trichomes antrorse | Glabrous |
|---|
| Mericarp | Rugose, papillose, with occasional long pilose trichomes | Mature mericarps not observed | Reticulate, glabrous |
|---|