Contains 5 accepted taxa overall.
Characteristics
Classification
Citation
PILEA Lindley, Collect. Bot. t. 4. 1821, nom. cons.
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TYPE: Pilea muscosa Lindley 1821, nom. illegit. (Parietaria microphylla Linnaeus 1759; Pilea microphylla (Linnaeus) Liebmann 1851.)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Pilea fontana | LESSER CLEARWEED | Native FACW (NWPL) FACW (DEP) | ||
| Pilea herniarioides | CARIBBEAN CLEARWEED | Native OBL (NWPL) FACW (DEP) | ||
| Pilea microphylla | ARTILLERY PLANT; ROCKWEED | Native FACU (NWPL) FACW (DEP) | ||
| Pilea nummulariifolia | CREEPING CHARLIE | Not Native FAC (NWPL) FACW (DEP) | ||
| Pilea pumila | CANADIAN CLEARWEED | Native FACW (NWPL) FACW (DEP) |
Identification Key
1. Leaf blades <1 cm long, the margins entire
2
1. Leaf blades 1-10 cm long, the margins toothed
3
2. Pair of leaves at a node subequal in size; petiole filamentous and weak, often as long as the leaf blade; leaf blade about as long as wide
2. Pair of leaves at a node usually strongly unequal in size; petiole relatively stiff, much shorter than the blade; leaf blade mostly longer than wide
3. Leaf blade orbicular to broadly ovate with a rounded apex
3. Leaf blade lanceolate to ovate with an acute apex
4
4. Achene dark brown to black with paler margins, slightly roughened without lines or mottling, about as long as wide
4. Achene light brown, often with slightly raised darker lines or mottling, longer than wide
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Adicea | Adicea Rafinesque ex Britton & A. Brown, Ill. Fl. N. U.S. 1: 533. 1896. | TYPE: = Adike Rafinesque 1836. | |
| Adike | Adike Rafinesque, New Fl. 1: 63. 1836. | TYPE: Non designatus. | |
| Dubrueilia | Dubrueilia Gaudichaud-Beaupré, Voy. Uranie 495. 1830 ("1826"). | TYPE: Dubrueilia peploides Gaudichaud-Beaupré 1830. |