Chenopodium chenopodioides (L.) Aellen
  • Ostenia


This taxon is accepted by Amaranthaceae
Notes: More details could be found in The Plant List v.1.1. Originally in The Plant List v.1.0

General Description

Herbs annual, 20-50 cm tall. Stem erect, much branched, green striate, ribbed, usually not farinose. Leaf blade green abaxially, dark green adaxially, broadly triangular, 3-4 cm, slightly broader than long, ca. 2 × as long as petiole, slightly succulent, glabrous or slightly farinose, base truncate or broadly cuneate, decurrent to base of petiole, margin serrate or subentire, apex obtuse or shortly acuminate. Glomerules arranged in spikelike panicles on branches; central flowers of glomerules bisexual, lateral ones female. Female flowers: perianth obconic, 2-4-lobed, succulent; lobes cochleariform, unequal, abaxially keeled. Bisexual flowers: perianth depressed hemispheric, 4- or 5-parted; stamens as many as perianth segments. Seed vertical in female flowers, horizontal in bisexual flowers, yellow-brown, sublustrous, depressed ovoid, 0.5-0.75 mm in diam., slightly pitted, rim margin obtuse; embryo annular. Fl. and fr. Aug-Sep.

Stems erect to prostrate, much-branched, 0.1-3.5 dm, glabrous. Leaves nonaromatic; petiole to 0.28 cm; blade deltate or narrowly deltate, 0.8-6 × 0.2-3.5 cm, base cuneate, margins entire or broadly dentate, apex acute to obtuse. Inflorescences lateral glomerules sessile on lateral branched spikes; glomerules subglobose, 3-4 mm diam.; bracts oblanceolate to linear, 0.2-1.5 cm. Flowers: perianth segments 3, connate almost to apex into 0.5-0.8 mm tube; lobes deltate, 0.1-0.5 × 0.3-0.4 mm, membranous, apex acute, flat or occasionally keeled-corniculate, glabrous, green and covering fruit at maturity; stamen 1; stigmas 2, 0.2 mm. Utricles ovoid; pericarp nonadherent, reticulate-punctate. Seeds vertical and horizontal, ovoid, 0.6-0.9 mm diam., margins rounded; seed coat black, smooth.

 Information From

Amaranthaceae
World Flora Online Data. 2017.
  • A CC0 1.0 Universal (CC0 1.0).
Flora of North America @ efloras.org
http://www.efloras.org/flora_page.aspx?flora_id=1
'Flora of North America @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=1 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  • B Flora of North America Association
Flora Of CHina @ efloras.org
http://www.efloras.org/flora_page.aspx?flora_id=2
'Flora of China @ eFloras (2008). Published on the Internet http://www.efloras.org/flora_page.aspx?flora_id=2 [accessed August 2016]' Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  • C Missouri Botanical Garden
World Flora Online consortium
http://www.worldfloraonline.org/organisation/WFO
World Flora Online Data. 2018.
  • D CC0 1.0 Universal (CC0 1.0).