View source for Amaranthus greggii

{{Treatment/ID
|accepted_name=Amaranthus greggii
|accepted_authority=S. Watson
|publications={{Treatment/Publication
|title=Proc. Amer. Acad. Arts
|place=12: 274. 1877
|year=1877
}}
|common_names=Gregg’s amaranth;Josiah amaranth
|basionyms=
|synonyms=
|hierarchy=Amaranthaceae;Amaranthus;Amaranthus subg. Acnida;Amaranthus sect. Saueranthus;Amaranthus greggii
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Amaranthaceae]]</div><div class="higher-taxon"><small>genus</small>[[Amaranthus]]</div><div class="higher-taxon"><small>subgenus</small>[[Amaranthus subg. Acnida]]</div><div class="higher-taxon"><small>section</small>[[Amaranthus sect. Saueranthus]]</div><div class="higher-taxon"><small>species</small>[[Amaranthus greggii]]</div></div>
|volume=Volume 4
|mention_page=page 412, 413, 416, 418
|treatment_page=
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>glabrous or glabrescent. <b>Stems</b> erect to ascending, much-branched from base, 0.3–1 m. <b>Leaves</b>: petiole shorter than blade; blade ovate, or rhombic-ovate to elliptic, 1.5–4 × 0.5–2 cm, thick, coarse, base cuneate to rounded, margins entire, plane or irregularly undulate, apex rounded-obtuse to emarginate, with terminal mucro. <b>Inflorescences</b> mostly terminal, spikes to panicles, usually erect, thick, flexible. <b>Bracts</b>: of pistillate flowers with short, excurrent midrib, 1.5–2.5 mm, shorter than tepals, apex acute or acuminate; of staminate flowers shorter than tepals, apex acute. <b>Pistillate</b> flowers: tepals with dark, prominent midrib not excurrent, spatulate, subequal, 2–3 mm, apex obtuse to subacute, with terminal mucro; style branches spreading; stigmas 3. <b>Staminate</b> flowers: tepals 5, equal, 2–3 mm, apex obtuse to subacute; inner tepals: with apex indistinctly mucronulate; stamens 5. <b>Utricles</b> light brown, elliptic, 3 mm, equaling tepals, walls somewhat fleshy, smooth, indehiscent. <b>Seeds</b> dark brown, 1.2–1.7 mm diam., shiny.</span><!--

-->{{Treatment/Body
|phenology=Flowering summer–fall.
|habitat=Coastal sand dunes, sea beaches
|elevation=0-50 m
|distribution=La.;Tex.;Mexico.
|discussion=<p>According to J. D. Sauer (1972b), <i>Amaranthus</i> myrianthus Standley most probably is a hybrid between <i>A. arenicola</i> and <i>A. greggii</i>.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=Amaranthus greggii
|author=
|authority=S. Watson
|rank=species
|parent rank=section
|synonyms=
|basionyms=
|family=Amaranthaceae
|phenology=Flowering summer–fall.
|habitat=Coastal sand dunes, sea beaches
|elevation=0-50 m
|distribution=La.;Tex.;Mexico.
|reference=None
|publication title=Proc. Amer. Acad. Arts
|publication year=1877
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V4/V4_819.xml
|genus=Amaranthus
|subgenus=Amaranthus subg. Acnida
|section=Amaranthus sect. Saueranthus
|species=Amaranthus greggii
}}<!--

-->[[Category:Treatment]][[Category:Amaranthus sect. Saueranthus]]