Overview

Distribution

National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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introduced; Fla.; Mexico; West Indies; South America.
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Physical Description

Morphology

Description

Herbs, perennial, 6-15 dm. Stems ascending to spreading, often clambering, pubescent, glabrate. Leaves sessile; blade ovate to lanceolate or elliptic, 1.8-8 × 0.5-3 cm, herbaceous, apex long-acuminate or acute, sparsely strigose or glabrous. Inflorescences terminal and axillary, pedunculate; heads yellowish white, subglobose to cylindric, 0.9-2.5(-4) × 0.9-1 cm; bracts keeled, less than 1/2 as long as tepals. Flowers: tepals monomorphic, green, lanceolate, 3.4-4.7 mm, apex acute, villous, hairs not barbed; stamens 5; pseudostaminodes ligulate, margins laciniate. Utricles included within tepals, greenish yellow, ellipsoid, 2.5 mm, apex acute. Seeds ovoid, 1.2-1.3 mm.
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Diagnostic Description

Synonym

Achyranthes ramosissima (Martius) Standley; Alternanthera ramosissima (Martius) Chodat
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Ecology

Habitat

Coastal hammocks, thickets, sand bars; 0m.
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Life History and Behavior

Cyclicity

Flowering/Fruiting

Flowering year-round.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Alternanthera flavescens

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Alternanthera flavescens

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

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Notes

Comments

Alternanthera flavescens has long been known as A. ramosissima (Martius) Standley.
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