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 | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Lythrum alatum var. lanceolatum | WINGED LOOSESTRIFE | Native OBL (NWPL) OBL (DEP) | ||
| Lythrum curtissii | CURTISS' LOOSESTRIFE | Native Rare-State OBL (NWPL) OBL (DEP) | ||
| Lythrum flagellare | FLORIDA LOOSESTRIFE; LOWLAND LOOSESTRIFE | Native Rare-State OBL (NWPL) OBL (DEP) | ||
| Lythrum lineare | WAND LOOSESTRIFE | Native OBL (NWPL) OBL (DEP) | ||
| Lythrum nieuwlandii | NIEUWLAND"S LOOSESTRIFE | Native OBL (NWPL) OBL (DEP) |
Identification Key
1. Fertile above-ground stems 10–50 cm tall, flowering portion of the stem to 13 cm long; larger leaves 0.5–1.4 cm long, 1.2–5 times longer than wide; flowering Feb–Nov
2
1. Fertile above-ground stems 40–150 cm tall, flowering portion of the stem to 40 cm long; larger leaves 1.3–5 cm long, 3–19 times longer than wide; flowering May–Oct
3
2. Stem internodes usually, or at least some, conspicuously longer than the subtending leaves; leaves opposite, usually distinctly petiolate, the petiole 0.5–1 mm long, with a discernible gap between the stem and the base of the blade, larger leaves 0.7–1.4 cm long, 1.2–5 times longer than wide; floral tube narrowly obconic; flowering Feb–Jun
2. Stem internodes subequal to shorter than the subtending leaves; leaves opposite and sometimes alternate distally, sessile or the petiole to 0.2 mm long, the base of the blade adjacent to the stem, larger leaves 0.5–0.9 cm long, 1.8–2.7 times longer than wide; floral tube subcylindric; flowering Jul–Nov
3. Leaves opposite to subopposite, very rarely alternate, the larger ones 6.8–19 times longer than wide; petals white to faintly lilac, usually with a darker midrib; of brackish areas
3. Leaves opposite to subopposite proximally, often becoming alternate distally especially along the fertile portion of the stem, the larger ones 3–9 times longer than wide; petals commonly lilac, pink, to purple, sometimes white to faintly lilac, usually with a darker midrib; mainly of freshwater areas, rarely brackish
4
4. Branches mostly spreading to ascending; leaves narrowly lanceolate, lanceolate-ovate, lanceolate-elliptic, elliptic, to oblong, 3–5 times longer than wide, mostly spreading to ascending, floral tube narrowly obconic to subcylindric, 3–4.2 mm long; epicalyx segments and sepals subequal; petals 1.5–3 mm long, 0.5–1.5 mm wide
4. Branches mostly ascending to strict; leaves linear-lanceolate, narrowly lanceolate, lanceolate, narrowly elliptic, to elliptic, 3–9 times longer than wide, mostly ascending to strict; floral tube subcylindric, 5–6 mm long; epicalyx segments ca. 2 times length of sepals; petals 2–6.5 mm long, 1.5–3 mm wide
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Chabraea | Chabraea Bubani, Fl. Pyren. 2: 640. 1899, non Adanson 1763. | TYPE: = Lythrum Linnaeus 1753. | |
| Editeles | Editeles Rafinesque, Sylva Tellur. 103. 1838. | TYPE: Editeles thymifolia (Linnaeus) Rafinesque (Lythrum thymifolium Linnaeus) = Lythastrum Hill 1767. | |
| Lythastrum | Lythastrum Hill, Veg. Syst. 12: 34. 1767. | TYPE: Lythrum thymifolium Linnaeus | |
| Middendorfia | Middendorfia Trautvetter, Bull. Acad. Imp. Sci. Saint-Betersbourg 9: 151. 1842. | TYPE: Middendorfia borysthenica (Marschall von Bieberstein ex Schrank) Trautvetter (Peplis borysthenica Marschall von Bieberstein ex Schrank) | |
| Mozula | Mozula Rafinesque, J. Phys. Chim. Hist. Nat. Arts 91: 71. 1820. | TYPE: Non designatus. Substitute name for Pythagorea Rafinesque 1819, non Loureiro 1790. | |
| Pentaglossum | Pentaglossum Forsskal, Fl. Aegypt.-Arab. 11. 1775. | TYPE: Pentaglossum linifolium Forsskal | |
| Pythagorea | Pythagorea Rafinesque, J. Phys. Chim. Hist. Nat. Arts 89: 96. 1819, non Loureiro 1790. | TYPE: Non designatus. = Mozula Rafinesque 1820. | |
| Salica | Salica Hill, Hort. Kew. 172. 1768. | TYPE: = Lythastrum Hill 1767. | |
| Salicaria | Salicaria Miller, Gard. Dict. Abr., ed. 4. 1754. | TYPE: = Lythrum Linnaeus 1753. |