Alternanthera maritima
(Mart.) A. St.-Hil.
Family:
Amaranthaceae
Seaside Joyweed
FNA
Resources
Steven E. Clemants in Flora of North America (vol. 4)
Herbs,
perennial, 3-20 dm.
Stems
procumbent or prostrate, glabrous.
Leaves
sessile; blade oblong, oblanceolate, obovate, or oval, 2-6 × 0.8-3 cm, succulent, apex obtuse to acute, mucronate, glabrous.
Inflorescences
axillary, sessile; heads white to stramineous, globose to ovoid, 0.6-1 × 0.6-0.8 cm; bracts about
1
/2 as long as tepals.
Flowers:
tepals monomorphic, stramineous, striate, lanceolate, 4-5 mm, rigid margins coriaceous, apex acuminate, glabrous; stamens 5; anthers 5, oblong; pseudostaminodes lanceolate, equaling or exceeding filaments, margins fimbriate.
Utricles
included within tepals , stramineous, subglobose, ca. 1.5 mm, apex acute.
Seeds
subglobose, 1.5 mm.
Flowering winter-spring. Sandy beaches, hammocks; 0 m; Fla.; West Indies; South America; Africa.
Open Interactive Map
University of Florida Herbarium
University of Florida Herbarium
University of Florida Herbarium
University of Florida Herbarium
University of Florida Herbarium
University of Florida Herbarium
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