Acalypha ostryifolia Riddell ex J.M.Coult.

Pineland threeseed mercury (en)

Species

Angiosperms > Malpighiales > Euphorbiaceae > Acalypha

Characteristics

Herbs, annual, 3.5–7 dm, monoecious. Stems erect, pubescent, sparsely hirsute, and stipitate-glandular. Leaves: petiole 1.5–6.5 cm; blade ovate, 3–8 × 1.5–5 cm, base cordate, margins serrate, apex acute to short acuminate. Inflorescences unisexual, axillary (staminate) and terminal (pistillate; sometimes on short lateral branches, appearing axillary); staminate peduncle 0.5–1.5 cm, fertile portion 0.5–3.5 cm; pistillate peduncle 0.1–1 cm, fertile portion 3–7 × 0.7–1 cm; allomorphic pistillate flowers common, near apices of pistillate inflorescences. Pistillate bracts (normal and allomorphic flowers) loosely arranged (inflorescence axis visible between bracts), 3–6 × 6–8 mm, abaxial surface pubescent (hairs to 0.3 mm) and sparsely stipitate-glandular; lobes (9–)13–17, linear, 2/3 bract length, muricate. Pedicels of allomorphic flowers rudimentary. Pistillate flowers: pistil 3-carpellate (normal flowers), 1(–3)-carpellate (allomorphic flowers); styles multifid or laciniate. Capsules spiny, pubescent; allomorphic fruits obovoid, 2 irregular flanges near apex, 2–2.2 × 1.6–1.8 mm, smooth, pubescent. Seeds 1.6–2 mm, tuberculate.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.33 - 0.8
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 3-7
Soil texture 1-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Images

Acalypha ostryifolia unspecified picture

Distribution

Acalypha ostryifolia world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:60453017-2
WFO ID wfo-0000979275
COL ID 8S8R
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Acalypha setosa Acalypha polystachya Ricinocarpus carolinianus Acalypha corchorifolia Acalypha caroliniana Acalypha ostryifolia Acalypha pedunculata