Amaranthus tricolor L.
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publication ID |
https://doi.org/ 10.11646/phytotaxa.576.2.1 |
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DOI |
https://doi.org/10.5281/zenodo.7465646 |
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persistent identifier |
https://treatment.plazi.org/id/03C98796-4B42-FFA4-06B9-016C559565C3 |
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treatment provided by |
Plazi |
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scientific name |
Amaranthus tricolor L. |
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3. Amaranthus tricolor L. View in CoL , Sp. Pl. 2: 989. 1753
Type (lectotype designated by Townsend 1974: 14):—ASIA. Habitat in India, Herb. Linn. No. 1117.7 (LINN!, image of the lectotype available at https://linnean-online.org/11633/) .
= Amaranthus melancholicus L. View in CoL , Sp. Pl. 2: 989. 1753. ≡ Amaranthus tricolor var. melancholicus (L.) Lam. & Monnet View in CoL , Encycl. [J. Lamarck & al.] 1: 115. 1783.
Type (lectotype designated by Townsend 1994: 11):—ASIA. Habitat in India, Herb. Linn., No. 1117.4 (LINN!, image of the lectotype available at http://linnean-online.org/11630/) .
= Amaranthus tristis View in CoL L., Sp. Pl. 2: 989. 1753. ≡ Amaranthus tricolor var. tristis (L.) Thell. View in CoL in Asch. & Graebn., Syn. Mitteleur. Fl. [Ascherson & Graebner] 5: 274. 1914. ≡ Amaranthus tricolor subsp. tristis (L.) Aellen View in CoL in Hegi, Ill. Fl. Mitt.- Eur. 3(2): 495. 1959.
Type (lectotype designated by Iamonico 2014: 149):—ASIA. Habitat in China, Herb. Linn., No. 1117.11 (LINN!, image of the lectotype available at http://linnean-online.org/11637/) .
= Amaranthus mangostanus L., Cent. Pl. I. 32. 1755. ≡ Amaranthus tricolor var. mangostanus (L.) Thell. in Asch. & Graebn. Syn. Mitteleur. Fl. [Ascherson & Graebner] 5: 274. 1914. ≡ Amaranthus tricolor subsp. mangostanus (L.) Aellen, in Hegi, Ill. Fl. Mitt.- Eur. 3(2): 495. 1959.
Type (lectotype designated by Iamonico 2014a: 147):—ASIA. Habitat in India, Herb. Linn., No. 1117.10 (LINN!, image of the lectotype available at http://linnean-online.org/11636/) .
= Amaranthus polygamus L., Cent. Pl. I. 32. 1755. ≡ Amaranthus tricolor subsp. tristis var. polygamus (L.) Aellen in Hegi, Ill. Fl. Mitt.- Eur. 3(2): 495. 1959.
Type (lectotype designated by Iamonico 2014a: 148):—ASIA. Habitat in India, Herb. Linn., No. 1117.9 (LINN!, image of the lectotype available at http://linnean-online.org/11635/) .
Description:— Herbs 8–10 dm tall, monoecious, annual (therophyte). Stems erect or ascending, ± glabrous, green or red, branched (rarely simple). Leaves green, red, red-purpureus or red-yellow mixed, ovate-rhomboidal (4.0–12.0) × 1.4–6.0), with usually entire margins, apex obtuse to emarginate, often mucronate, base cuneate, glabrous, petioled (petiole 2–6 cm long). Synflorescences arranged in axillary glomerules and terminal spike-like, green to reddish. Floral bracts, usually greenish, deltoid-ovate (5.0–6.0 × 0.8–1.8 mm) as long as the perianth, awned, margin entire, glabrous. Staminate flowers with 3 tepals, ovate to lanceolate, apex acute, awned; stamens 3. Pistillate flowers with 3 tepals, ovate (3.0–5.0 × 1.5–2.5 mm); stigmas 2–3. Fruit brown, subglobose to ellipsoidal (2.0–2.5 × 0.8–1.3 mm), shorter than the perianth, rugose, dehiscent. Seed lenticular (about 1.0 mm in diameter), black or brown.
Iconography:— Chaudhary (1998: 245, Plate. 127a–f), Bayón (2015: 368, Figura 61).
Chromosome number:— 2n = 34, 68, 85.
Occurrence in Saudi Arabia:— Cultivated only in Saudi Arabia according to Chaudhary (1998: 238). No wild plants were found by us during the field survey.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Amaranthus tricolor L.
| Hassan, Walaa A., Al-Shaye, Najla A., Alghamdi, Salma, Korany, Shereen M. & Iamonico, Duilio 2022 |
Amaranthus melancholicus
| 1753: 989 |
Amaranthus tristis
| Seubert 1959: 495 |
| Seubert 1753: 989 |