Amaranthus blitum Linnaeus (1753: 990) var. blitum, Linnaeus, 1753

Das, Saubhik & Iamonico, Duilio, 2014, Amaranthus bengalense (Amaranthaceae) a new species from India, with taxonomical notes on A. blitum aggregate, Phytotaxa 181 (5), pp. 293-300: 296

publication ID

http://doi.org/ 10.11646/phytotaxa.181.5.4

DOI

http://doi.org/10.5281/zenodo.5150066

persistent identifier

http://treatment.plazi.org/id/6033BB10-FFFB-FF81-FF3E-BA8CFE162EDF

treatment provided by

Felipe

scientific name

Amaranthus blitum Linnaeus (1753: 990) var. blitum
status

 

Amaranthus blitum Linnaeus (1753: 990) var. blitum  

Type (lectotype designated by Filias et al. 1980: 149–150):—EUROPE. Habitat in Europa temparatiore, Herb. Linn. No. 1117.14 ( LINN!, image of the lectotype available at http://linnean-online.org/11640/)   .

Description:—Herbs 1.5–8.0 dm tall, monoecious, annual (therophyte). Stem erect to prostrate, glabrous, green to brown (sometimes reddish), branched. Leaves usually green, ovate (2.5–4.5 × 1.5–3.5 cm), margin entire, long petioled (petiole usually long as well as the blade), apex emerginate to bilobed, often mucronate, base usually cuneate. Synflorescences arranged in terminal spike-like, erect or reflexed. Bracts ovate to oblong [(0.4–)0.8–1.0 × 0.4−0.9 mm], shorter (⅓−½) than the perianth. Staminate flowers with 3 tepals, usually ovate; stamens 3. Pistillate flowers with 3 equal or subequal tepals, oblong-lanceolate, elliptic [1.2–1.5(–2.0) mm long], membranous with acute apex and thick adaxial midvein; style branches erect, stigma 3. Fruit reddish-brown, compressed subglobose to elipsoidal, 1.5–2.5 mm long, as long as or longer than the perianth, smooth to finely rugose, indehiscent. Seed lenticular, black to dark-reddish, with minutely punctiform surface, 1.1–1.2 mm in diameter.

Distribution:— It is distributed throughout India specially in West Bengal, Orissa, Kerala, Gujrat, Meghalaya, also reported from North East India, Kashmir.

Ecology:— An erect annual herb found as a common weed of waste places. It takes 50−60 days to mature and flower in the month of July−August.

Selected specimen examined:— INDIA. Orissa: Mahabaleswar, 6 April 1956, Giri (CAL). Gujrat: Bhuj, 1 February 1957, Despande (CAL). West Bengal: Howrah, Dumjor, 3 February 1964, Bennet (CAL). Kerala: Perunna, May 1969, Nair (CAL). Sikkim: 2 November 1967, Majumder et Datta (CAL); Balukup, 21 January 1911, Ribu et Rhomoo (CAL). Meghalaya: Shillong, May 1920, Carter (CAL). ITALY. Emilia-Romagna: Casinalbo, luoghi pingui, 70 m a.s.l., 08 August 1940, Adr. Fiori s.n. (FI). Lazio: Roma, Centocelle, marrana, 30 August 1954, Cacciato (RO); Roma, Cinecittà, 08 December 1970, Cacciato (RO). Liguria: nei giaridni pubblici, Finale Ligure Marina (Savona)   , 23 August 1970, leg. Catanzaro, det. Cacciato s.n. (RO). Molise: Campomarino (CB), interstizi della pavimentazione stradale, 27 July 2009, leg. Palermo et Iamonico, det. Iamonico s.n. (HFLA- Herb. Iamonico). Toscana: Isola del Giglio, 20 May 1894, leg. et det. Sommier (sub Amaranthus sp.   ), rev. Iamonico s.n. (FI). Veneto: in un campo a Cozzuolo (Vittorio), 29 July 1895, leg. et det. Pampanini (sub A. blitum   ). Rev. Iamonico s.n. (FI). ROMANIA. Mutenia: Ilfov, in ruderatis platae, 90 m a.s.l., 28 August 1941, I. Morariu [sub A. lividus   L. var. ascendens (Lois.) Thell. F.   major Thell.], rev. D. Iamonico (RO). UKRAINE. Lviv: Ivano Francovo, milieu rudéralisé, September 1993, leg. J. Rousselle et N. Chasseur, det. J. Lambinon (FI).

LINN

Linnean Society of London

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Caryophyllales

Family

Amaranthaceae

Genus

Amaranthus

Loc

Amaranthus blitum Linnaeus (1753: 990) var. blitum

Das, Saubhik & Iamonico, Duilio 2014
2014
Loc

Amaranthus blitum

Linnaeus, C. 1753: )
1753