Blitum hastatum

Blitum hastatum Rydb.
Bull. Torrey Bot. Club 28: 273 (1901)


Spear-Leaf Blitum

Amaranthaceae

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Etymology
 L. blitum, orach (Atriplex hortensis), from Gr. bliton, a leafy vegetable + spear-shaped with basal lobes facing outward, fr. L. hastatus, armed with a spear
Description:
 Annual; calyx tube < lobes; flower clusters subtended by leafy bracts only in proximal 1/2 of inflorescence; stamens 3; fruit maturing from tip to base of plant; flower clusters 3–5 mm in diam; fruit red to green, not fleshy; leaf blade base tapered to truncate (hastate), margin entire or +/- toothed
Distribution:

w USA, sw Canada

Synonyms:

Homotypic:
Chenopodium overi Aellen in Repert. Spec. Nov. Regni Veg. 26: 159 (1929)
Blitum capitatum subsp. hastatum (Rydb.) Mosyakin in Phytoneuron 2013-56: 2 (2013)
Heterotypic:
Chenopodium capitatum var. parvihastatum S.L.Welsh in Great Basin Naturalist 44: 199 (1984)
Type:
 F. Tweedy 3295, Sept 1900, United States, Wyoming, Buffalo, elevation ca. 1220-1524 meters
Holotype: NY00324302
Website Info:
 All fruit and seed images have been taken with the Visionary Digital Microscope System Dun, Inc. Palmyra, VA by Lee Simpson at San Diego State University. Website development by Lee Simpson. Contact: sdsuherbarium@sdsu.edu



Distribution:
Blitum_hastatum-GBIF distributioin map
GBIF 2025: https://www.gbif.org


Type:
NY00324302.jpg holotype image
Blitum hastatum
F. Tweedy 3295, Sept 1900, United States, Wyoming, Buffalo, elevation ca. 1220-1524 meters
Holotype: NY00324302

Exemplar:
SDSU23260.jpg specimen
Fruit with calyx 
Fruit 1 Fruit 2 Fruit 3
Blitum hastatum
SDSU23260

Website development by Lee Simpson. Contact: sdsuherbarium@sdsu.edu




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