Contains 8 accepted taxa overall.
Characteristics
Classification
Citation
SPERMACOCE Linnaeus, Sp. Pl. 102. 1753.
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TYPE: Spermacoce tenuior Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 3: 256. 1913.
Species
| Scientific Name | Common Name | Status | Photos |
|---|---|---|---|
| Spermacoce densiflora | BOUQUET FALSE BUTTONWEED | Not Native | |
| Spermacoce glabra | SMOOTH FALSE BUTTONWEED | Native FACW (NWPL) FACW (DEP) | |
| Spermacoce keyensis | FLORIDA FALSE BUTTONWEED | Native | |
| Spermacoce latifolia | OVAL-LEAF FALSE BUTTONWEED | Not Native | |
| Spermacoce prostrata | PROSTRATE FALSE BUTTONWEED | Native FACW (NWPL) | |
| Spermacoce remota | WOODLAND FALSE BUTTONWEED | Native UPL (NWPL) | |
| Spermacoce tetraquetra | PINELAND FALSE BUTTONWEED | Native | |
| Spermacoce verticillata | SHRUBBY FALSE BUTTONWEED | Not Native Y |
[Family identification key]
1. Stems and branches many from the base of the plant, weakly lax to erect and generally herbaceous; deltoid prickles (0.1–0.5 mm long) along leaf blade midvein usually absent or 1–2 at the blade base; terminal inflorescence typically with 15–30 flowers; base of calyx ca. 1 mm wide; corolla tube 1.25–2.5 mm long; corolla limb (2.2–)2.5–4.5 mm wide; corolla lobe ca. 1.5 mm wide at base, ca. 2 mm long; stamen exserted to 1.5–2 mm beyond tube apex (base of lobe); anthers 0.5–1 mm long; ovary (1.4)2–3.5 mm long, 1.0 mm wide; fruit (including persistent calyx lobe) 2.5–4 mm long
1. Stems single or many (especially when mowed) from the base of the plant, typically few to unbranched in the basal 1⁄2 of the plant, mostly erect, stiff and somewhat shrubby towards the base; deltoid prickles (0.1–0.5 mm long) along leaf blade midvein present throughout the blade; terminal inflorescence typically with 30–115 flowers; base of calyx ca. 0.5 mm wide; corolla tube 0.6–1.0 mm long; corolla limb 1.3–2.2 mm wide; corolla lobe ca. 1 mm wide at base, < 1.5 mm long; stamens exserted to 1.5 mm beyond tube apex (base of lobe); anthers <0.6 mm long; ovary 1–2 mm long, 0.7 mm wide; fruit (including persistent calyx lobe) 2–2.5 mm long