Stylisma patens
Stylisma
coastal plain dawnflower
dawnflower
procumbent or trailing, glabrous or hairy.
usually procumbent or trailing, rarely twining, glabrous or hairy, hairs 2-armed.
blades elliptic or linear to lanceolate, 20–45 × 2–8 mm, surfaces hairy.
petiolate or sessile;
blade linear to oblong-elliptic, 10–80 mm, surfaces glabrous or hairy.
2–5-flowered or flowers solitary;
bracteoles scalelike, 1–3(–5) mm.
2–7-flowered or flowers solitary.
sepals ovate-lanceolate, 6–9 × 3–5 mm, abaxial surface pilose, villous, glabrate, or glabrous;
corolla white, 14–20 mm;
stamens: filaments villous near base;
style branches connate only at base.
sepals ovate-lanceolate to ovate, 4–11 mm;
corolla usually white, sometimes lavender, maroon, pink, purple, or red, campanulate or funnelform, 8–25 mm, limb 5-angled or -lobed;
styles 2, connate at base or nearly to tips;
stigmas peltate.
capsular or nutlike, dry, oblong-ovoid [ellipsoid, fusiform, turbinate], dehiscence valvate.
1(–4), ovoid [ellipsoid, fusiform, or globose], hairy.
= 14.
Stylisma patens
Stylisma
Varieties 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Species 6 (6 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Leaf blades 6–8 mm wide, length 4–6 times width; sepals: abaxial surfaces pilose or villous. | var. patens |
1. Leaf blades 2–3(–5) mm wide, length 7–15 times width; sepals: abaxial surfaces glabrous or glabrate. | var. angustifolia |
1. Leaf blades 10–18 mm; flowers: sepals 4–6 mm, corollas 8–13 mm. | S. abdita |
1. Leaf blades 20–80 mm; flowers: sepals 4–11 mm, corollas 10–25 mm. | → 2 |
2. Corollas lavender, maroon, pink, purple, or red; stamens: filaments glabrous or glabrate. | S. aquatica |
2. Corollas white; stamens: filaments usually hairy, at least proximally, rarely glabrous. | → 3 |
3. Leaf blades 10–30 mm wide; inflorescences usually 3–7-flowered, flowers rarely solitary. | → 4 |
4. Sepals glabrous. | S. humistrata |
4. Sepals densely villous. | S. villosa |
3. Leaf blades 0.1–8 mm wide; inflorescences: flowers usually solitary, sometimes 2–5-flowered. | → 5 |
5. Leaf blades 0.1–3 mm wide; bracteoles 15–25 mm; style branches usually connate (1/2–)5/6+ length, sometimes less. | S. pickeringii |
5. Leaf blades 2–8 mm wide; bracteoles 1–3(–5) mm; style branches connate only at base. | S. patens |
WildflowerSearch
iNaturalist
USDA Plants Database
