Contains 5 accepted taxa overall.
Characteristics
Classification
Citation
LYTHRUM Linnaeus, Sp. Pl. 446. 1753.
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TYPE: Lythrum salicaria Linnaeus Lectotypified by Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 580. 1913.
Species
| Scientific Name | Common Name | Status | Photos |
|---|---|---|---|
| Lythrum alatum var. alatum | WINGED LOOSESTRIFE | Native OBL (NWPL) OBL (DEP) | |
| Lythrum alatum var. lanceolatum | WINGED LOOSESTRIFE | Native OBL (NWPL) OBL (DEP) | |
| Lythrum curtissii | CURTISS' LOOSESTRIFE | Native Endangered-State OBL (NWPL) OBL (DEP) | |
| Lythrum flagellare | FLORIDA LOOSESTRIFE; LOWLAND LOOSESTRIFE | Native Endemic Endangered-State OBL (NWPL) OBL (DEP) | |
| Lythrum lineare | WAND LOOSESTRIFE | Native OBL (NWPL) OBL (DEP) |
[Family identification key]
1. Leaves opposite throughout
2
1. Leaves opposite proximally, becoming alternate distally
3
2. Plant <30 cm tall, the stems prostrate to decumbent; leaf blades mostly elliptic; petals lilac to purple; flowering Feb-Jun
2. Plant 30-150 cm tall, the stems erect; leaf blades mostly linear; petals white to faintly lilac; flowering late Jun-Sep
3. Hypanthium 3-4 mm long; calyx lobes subequal to the epicalyx appendages; petals ca. 3 mm long
3. Hypanthium 5-6 mm long; calyx lobes ca. half the length of the epicalyx appendages; petals 5-6 mm long
4
4. Proximal leaf blades ovate to oblong, the base subcordate to rounded
4. Proximal leaf blades lanceolate, elliptic, to linear, the base cuneate