Mentzelia floridana

Nuttall ex Torrey & A. Gray

Fl. N. Amer. 1: 533. 1840

Common names: Florida stickleaf poorman’s patches
Treatment appears in FNA Volume 12. Treatment on page 528. Mentioned on page 527, 529.

Plants perennial, with caudices. Stems erect, becoming decumbent, to 60 cm. Leaves: petiole to 25 mm; blade usually hastate or ovate, distal sometimes elliptic, basally lobed or unlobed, to 8.4 × 5.5 cm, base usually truncate, sometimes obtusely cuneate, margins usually serrate or dentate to crenate, sometimes entire, apex acute. Pedicels (fruiting) 0.6–4 × less than 1 mm. Flowers: petals creamy yellow to orange, 6.5–13 × 3.5–7 mm, apex cuspidate, hairy on apex; stamens 20–35, 6–11 mm, filaments heteromorphic, 5 outermost narrowly spatulate, inner filiform; style 8–10 mm. Capsules usually lingulate to funnelform, rarely ovoid, 10–18 × 4–5.8 mm, base rounded or cuneate, capsule and pedicel well-differentiated. Seeds (4–)6–8 per capsule, pyriform, without transverse folds. 2n = 20.


Phenology: Flowering Sep–May.
Habitat: Beaches, dunes, sand flats along ocean and rivers, coastal hammocks, disturbed areas, roadsides, shell mounds.
Elevation: 0–10 m.

Distribution

V12 362-distribution-map.jpg

Fla., West Indies (Bahamas).

Discussion

Mentzelia floridana, which is widespread in peninsular Florida, belongs to a clade restricted to the Gulf coastal and Caribbean region; it is most closely related to M. gracilis Urban & Gilg of Mexico and to M. lindheimeri of Texas.

Selected References

None.

Lower Taxa

None.

... more about "Mentzelia floridana"
Larry Hufford +
Nuttall ex Torrey & A. Gray +
Florida stickleaf +  and poorman’s patches +
Fla. +  and West Indies (Bahamas). +
0–10 m. +
Beaches, dunes, sand flats along ocean and rivers, coastal hammocks, disturbed areas, roadsides, shell mounds. +
Flowering Sep–May. +
Fl. N. Amer. +
Mentzelia floridana +
Mentzelia sect. Mentzelia +
species +