Contains 4 accepted taxa overall.
Characteristics
Classification
Citation
TREMA Loureiro, Fl. Cochinch. 539, 562. 1790.
-
TYPE: Trema cannabinum Loureiro
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Trema floridanum | FLORIDA TREMA | Native | ||
| Trema lamarckianum | PAIN-IN-THE-BACK; WEST INDIAN TREMA; LAMARCK'S TREMA | Native Rare-State FAC (DEP) | ||
| Trema micranthum | NETTLETREE | Not Native FAC (DEP) | ||
| Trema orientale | ORIENTAL TREMA | Not Native FACU (NWPL) |
Identification Key
1. Mature fruits purple to black
1. Mature fruits pink to orange-red
2
2. Larger leaf blades 1-2.3 cm wide, <6.5 cm long, the margins sometimes revolute, the basal pair of veins generally without pronounced lateral veins extending to the margin or these few and short, the greatest distance between the basal vein and the blade margin to 4 mm, the area between the basal veins and the leaf margin conspicuously smaller than the area between the basal vein and midrib, the blade base symmetric to subtly asymmetric and usually rounded to truncate, the blade tip obtuse to acute
2. Larger leaf blades 2.5-6 cm wide, usually >5 cm long, the margins not revolute, the basal pair of veins with pronounced lateral veins extending to the margin, the greatest distance between the basal veins and the blade margin usually >4 mm, the area between the basal veins and the leaf margin generally subequal to larger than (or not much smaller than) the area between the basal vein and midrib, the blade base usually asymmetric, sometimes cordate, the blade tip usually acuminate
3
3. Leaf blades 1.4-2.4 times longer than wide, the apex shortly acuminate with the portion of the blade tip <4 mm wide 3-8 mm long, the marginal teeth pronounced with the sinus mostly 0.5-1.5 mm deep, the reticulate venation conspicuous and apparent throughout on the blade underside
3. Leaf blades 2.4-3.5 times longer than wide, the apex long-acuminate with the portion of the blade tip <4 mm wide 10-25 mm long, the marginal teeth shallow and the sinus mostly <0.5 mm deep, the reticulate venation inconspicuous or moderately apparent on part of the blade underside
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Sponia | Sponia Commerson ex Decaisne, Nouv. Ann. Mus. Hist. Nat. 3: 498. 1834. | TYPE: Non designatus. |