Contains 4 accepted taxa overall.
Characteristics
Classification
Citation
STYLISMA Rafinesque, Amer. Monthly Mag. & Crit. Rev. 3: 101. 1818.
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TYPE: Stylisma tenella (Desrousseaux) Rafinesque (Convolvulus tenellus Desrousseaux)
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Stylisma angustifolia | Narrowleaf Dawnflower | |||
| Stylisma aquatica | Water Dawnflower | |||
| Stylisma humistrata | Southern Dawnflower | |||
| Stylisma pickeringii var. pickeringii | Pickering's Dawnflower |
Identification Key
1. Stems <31 cm long, often ¼ or more of the length of scaly buried stems; longest leaves <15(20) mm long, <2.6 mm wide; corolla 1-2 times long as the sepals
1. Stems >40 cm long, usually leafy throughout or <⅕ the length of scaly buried stems; longest leaves >14 mm long, >1.9 mm wide; corolla >2 times long as the sepals
2
2. Sepals glabrous to pubescent
3
2. Sepals moderately to densely villous
4
3. Cotyledonar petioles fused; leaves 0.2-0.5 cm wide, 6-22 times longer than wide; bracteoles alternate or unequal; inflorescence of 1(-5) flowers
3. Cotyledonary petioles free; leaves 1-3 cm wide, 1.5-4 times longer than wide; bracteoles subopposite and equal; inflorescence of (1)3-7(12) flowers
4. Petioles 1-3 mm long; corolla 1-1.5 cm long, pink, maroon, lavender, or red; filaments glabrous or rarely with scattered hairs near base; stylar base with short hairs
4. Petioles 0-10 mm long; sepals 6-9 mm long, 3-4 mm wide; corolla 1.4-2.5 cm long, white; filaments villous towards base; stylar base with short to long hairs
5
5. Cotyledonar petioles fused; petioles 0-4(6) mm long; leaves 3-7 times longer than wide, 0.3-1.2 cm wide; inflorescence of 1(-5) flowers; bracteoles alternate or unequal
5. Cotyledonary petioles free; petioles 3-10 mm long; leaves 1.5-3.5 times longer than wide, (0.6)1-2 cm wide; inflorescence of 1-5 flowers; bracteoles subopposite and equal
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||