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Photo is of parent taxon

cylindricfruit primrose-willow

Stems

usually reddish green, (20–)40–80(–100) cm.

Leaves

petiole 0.1–1.5 cm, blade elliptic to very narrowly elliptic, those on main axis 3.2–12 × 0.4–2.1 cm, those on branches 1–4.5 × 0.3–1 cm.

Inflorescences

bracteoles attached at base of ovary or to 2 mm distal to base, rarely on pedicel, 0.5–1 × 0.2–0.4 mm.

Flowers

sepals 1.3–2.3 × 1.2–1.7 mm, apex acuminate;

nectary disc glabrous;

style 0.3–0.5 mm, stigma 0.3–0.5 mm diam.

Capsules

subterete, (4–)5–8(–9) × 1.6–2(–3) mm, pedicel 0–0.4(–0.5) mm.

Seeds

0.5–0.7 × 0.3–0.4 mm, surface cells elongate parallel to seed length.

Ludwigia glandulosa subsp. glandulosa

Phenology Flowering Jun–Sep.
Habitat Roadside ditches, marshes, pond borders, wet meadows, swales, alluvial floodplains, peaty bogs, moist pinelands, swampy woodlands, waste ground.
Elevation 0–300 m. (0–1000 ft.)
Distribution
from FNA
AL; AR; FL; GA; IL; IN; KY; LA; MD; MO; MS; NC; OK; SC; TN; TX; VA
[BONAP county map]
Discussion

The distribution of subsp. glandulosa is relatively continuous along the Atlantic and Gulf coastal plains, extending inland to Tennessee, extreme western Kentucky, extreme southern Indiana, Illinois, and Missouri, to southeastern Oklahoma and eastern Texas, with disjunct populations in Maryland and in north-central Missouri. In Florida, it occurs only in the panhandle region.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 10.
Parent taxa Onagraceae > subfam. Ludwigioideae > Ludwigia > sect. Isnardia > Ludwigia glandulosa
Sibling taxa
L. glandulosa subsp. brachycarpaC.
Synonyms Jussiaea brachycarpa, L. cylindrica, L. cylindrica var. brachycarpa, L. heterophylla
Name authority unknown
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