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Amaranthus blitum subsp. emarginatus

(Salzm. ex Uline & Bray) Carretero, Muñoz Garm. & Pedrol (1987)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-CoreEudicot Order: Caryophyllales Family: Amaranthaceae Genus: Amaranthus

Bibliography

Name Published In: Anales Jard. Bot. Madrid 44: 599 (1987)

Other References

Wagner et al. 1990:188 (K, O, M? [apparently collected once in 1869–1872], H [as A. lividus L. subsp. polygonoides]); Bruegmann 1999:1 (Mi [spms. never arrived at BISH, identification in doubt as this was never relocated, if it was correctly identified, it no longer persists]); Faccenda & Daehler 2024:33 (Mo); Bayón 2015:310/Faccenda & Ross 2024:25, 30 (Syn. A. l. subsp. polygonoides = A. b. subsp. emarginatus, KEY); Faccenda, Arthur, et al. 2025:152 (citizen science records prove its continued persistence on M)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Amaranthus blitum subsp. emarginatus Honolulu, Kalihi, off Hala St In taro patch with introduced topsoil and ample water. Preserved_Specimen Weedy annual, several feet tall (taller than taro); tiny flowers, greenish, male flowers toward infl apex. Wong, R. Oahu BISH 2003-05-08
2 Amaranthus blitum subsp. emarginatus 3034 Kalihi Street, Honolulu Growing next to a trash bin on the side of the street. Preserved_Specimen Annual herb, erect, ca 15-16 cm. tall. Possibly hybird, intermediate between A. viridis and A. blitum. Only one plant observed. Ross, M.C. 1869 Oahu BISH 2023-01-06
3 Amaranthus blitum subsp. emarginatus Honolulu, Lili'uokalani Botanical Garden. Nu'uanu Stream bed Partly sunny, moist, gravel substrate Preserved_Specimen Only one individual seen Faccenda, K. 1980 Oahu BISH 2021-06-12
4 Amaranthus blitum subsp. emarginatus University of Hawai'i at Mānoa, outside of Hamilton Library Addition Weed in unirrigated flower bed, partly shaded by building Preserved_Specimen Leaves emarginate, with a rather large terminal panicle. About 10 plants present Faccenda, K. 3025 Oahu BISH 2023-02-17
5 Amaranthus blitum subsp. emarginatus Kohala; Kaauhuhu Weed in agricultural field. Preserved_Specimen Somewhat prostrate herb. Stemmermann, R.L. 7139 Hawaii BISH 1987-04-25
6 Amaranthus blitum subsp. emarginatus Lyon Arboretum, Honolulu; in back of greenhouse Uncommon, in cultivated areas. Preserved_Specimen Weed; generally unarmed; succulent to 20'. Nagata, K.M. 910 Oahu BISH 1971-11-05
7 Amaranthus blitum subsp. emarginatus Waikoloa. In lava fields adjacent to Hyatt Waikoloa Golf Course near petroglyph field. Preserved_Specimen Occasional. Nagata, K.M. 4086 Hawaii BISH 1990-03-27
8 Amaranthus blitum subsp. emarginatus Kau District; by Kau Sugar Mill Weed in fallow sugar cane field. Preserved_Specimen Somewhat decumbent herb. Herbst, D.R. 5517 Hawaii BISH 1975-10-21
9 Amaranthus blitum subsp. emarginatus Ho'olehua, intersection of Kolea Ave and Rt 480 Occasionally mowed roadside, dry, sunny Preserved_Specimen Small colony, along about 5 m of roadside at this location. Several other colonies were seen in the Ho'olehua area Faccenda, K. 2923 Molokai BISH 2022-12-27
10 Amaranthus blitum subsp. emarginatus Moku Manu, S islet, north slope Common. Here and there, in cracks, and mixed in with other vegetation. Preserved_Specimen Starr, F. 6022806 Oahu BISH 2006-02-28
11 Amaranthus blitum subsp. emarginatus Honolulu, intersection of Liliha St. and Lanai St Weed in neglected flower bed along side of road. Full sun Preserved_Specimen Leaves with red chevron Faccenda, K. 1972 Oahu BISH 2021-06-12
12 Amaranthus blitum subsp. emarginatus Kona, town of Kailua In disturbed area. Preserved_Specimen Wagner, W.L. 5506 Hawaii BISH 1985-02-18
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