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lindenleaf rosemallow

Habit Herbs, perennial, or subshrubs, to 2(–4) m, herbage densely stellate-tomentulose throughout.
Stems

sometimes also with longer, stiff, simple hairs, fine, curved hairs absent or obscured.

Leaves

stipules linear, 3–10 mm;

petiole 2/3 to equaling blade, shorter in inflorescence, fine, curved hairs absent or obscured adaxially;

blade somewhat discolorous, broadly to transversely ovate, unlobed or shallowly 3(–5)-lobed, rarely proximalmost deeply 5–7-lobed, mostly 6.5–11 × 6–12 cm, base cordate, often deeply so, margins unevenly serrate or crenate-serrate, apex broadly acute to short-acuminate, lobes broadly triangular, surfaces stellate-tomentulose, slitlike nectary present abaxially at or near base of midvein.

Inflorescences

solitary flowers in axils of distal leaves, sometimes appearing racemose by reduction of subtending leaves.

Pedicels

jointed at bases, to 2.5 cm, shorter than subtending petioles;

involucellar bractlets 9–12, sometimes wide-spreading, terete, 0.8–1.6 cm, margins minutely pubescent, setose, apex 2-fid or appendaged, sometimes obscurely so.

Flowers

horizontal or declinate;

calyx divided 1/2–2/3 length, campanulate, 1.5–2.4 cm, enlarging in fruit, lobes triangular, with 3 prominent ribs, 2 marginal, 1 medial, medial bearing conspicuous nectary, apices acute or acuminate, variously invested with both minute, stellate hairs and hispid with much larger, simple or stellate, pustular-based hairs, latter often largely confined to veins;

corolla narrowly funnelform, petals pink, maroon at base, obliquely obovate, 5.5–9.5 × 2.5–4.5 cm, margins entire to repand or crenate, finely hairy abaxially where exposed in bud;

staminal column straight, maroon, 3–4.5 cm, bearing filaments ± throughout, free portion of filaments not secund, 0.5–1.5 mm;

pollen maroon;

styles dark maroon, 1–3 mm;

stigmas dark maroon.

Capsules

brown, ovoid, 2–2.5 cm, apex acute and apiculate or acuminate, surface obscured by pale yellowish, simple, dense, antrorsely appressed hairs.

Seeds

olivaceous brown to reddish or purplish brown, angulately reniform-ovoid, 2.8–3.8 mm, glabrous.

2n

= 72.

Hibiscus furcellatus

Phenology Flowering year-round.
Habitat Freshwater marshes, pine flatwoods, sand pine scrub, fill, canal margins, waste areas
Elevation 0–50 m (0–200 ft)
Distribution
from FNA
FL; HI; s Mexico; West Indies; Central America (Belize, Guatemala, Honduras, Nicaragua, Panama); n South America; c South America
[BONAP county map]
Discussion

Hibiscus furcellatus is found primarily in counties along the central and southern parts of Florida’s Atlantic coast, although there are a few inland records as well.

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

Source FNA vol. 6, p. 259.
Parent taxa Malvaceae > subfam. Malvoideae > Hibiscus
Sibling taxa
H. acetosella, H. aculeatus, H. biseptus, H. clypeatus, H. coccineus, H. coulteri, H. dasycalyx, H. denudatus, H. grandiflorus, H. laevis, H. martianus, H. moscheutos, H. mutabilis, H. poeppigii, H. radiatus, H. rosa-sinensis, H. schizopetalus, H. striatus, H. syriacus, H. trionum
Name authority Lamarck: in J. Lamarck et al., Encycl. 3: 358. (1789)
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