Zephyranthes tubispatha

Zephyranthes tubispatha
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Amaryllidaceae
Subfamily:	Amaryllidoideae
Genus:	Zephyranthes
Species:	Z. tubispatha
Binomial name
	Zephyranthes tubispatha; (L'Hér.) Herb.
Synonyms
	Habranthus tubispathus subsp. variabilis Poepp. ; (Herb.) Benth. & Hook.f. Amaryllis tubispatha; L'Hér. Arviela tubispatha; (L'Hér.) Salisb. Atamosco tubispatha; (L'Hér.) M.Gómez (Herb.) Herb. ; (Herb.) Pritz. (Herb.) Herb. ex Steud. ; (L'Hér.) Traub Ravenna ; Ravenna Ravenna ; (Herb.) Baker E.Holmb. ; Hippeastrum texanum Zephyranthes commersoniana; Habranthus tubispathus Habranthus tubispathus subsp. macranthus; Habranthus tubispathus f. roseus Habranthus variabilis; (Herb.) Baker Herb. ; Habranthus andersonii var. texanus Habranthus parvulus; Habranthus texanus Habranthus tubispathus; f. bicolor (Ravenna) Traub Ravenna ; (Ravenna) Traub (Ravenna) Ravenna ; (L'Hér.) Baker Herb. ; Zephyranthes texana Zephyranthes andersonii; Zephyranthes andersonii var. rosea Hippeastrum tubispathum; Amaryllis depauperata Habranthus tubispathus var. bicolor; Habranthus tubispathus var. roseus Hippeastrum andersonii;

Zephyranthes tubispatha, synonym Habranthus tubispathus,^[1] the Rio Grande copperlily or Barbados snowdrop,^[2] is a species of flowering plant in the family Amaryllidaceae. It is a perennial bulb native to southern South America (Brazil, Argentina, Paraguay and Uruguay). It is widely cultivated as an ornamental and reportedly naturalized in the southeastern United States (Texas, Louisiana, Alabama, Georgia, Florida), much of the West Indies as well as Bermuda, eastern Mexico, India, Easter Island, and central Chile.^[3]

Description

Flowers are produced sporadically during late summer and autumn, singly on stems 10 to 20 centimetres (4 to 8 in) tall. Flowers are usually yellow with copper tones on the outside, with tepals about 3 centimetres (1.2 in) long, fused for a short distance at the base to form a tube. As with all former Habranthus species, the flowers are not upright on the stem but held at a slight angle. The leaves are not normally present at flowering time, appearing later; they are narrowly linear.^[3]

Chemical composition

Contains toxic lycorine.^[4]

Cultivation

Zephyranthes tubispatha tolerates some frost down to 0 °C (32 °F) if planted in a sheltered sunny position, but will not survive being frozen. It seeds freely. A form with pinkish flowers is grown as var. rosea, but may be a hybrid.^[3]

Z. tubispatha has gained the Royal Horticultural Society's Award of Garden Merit.^[2]^[5] The name Habranthus andersonii is commonly found in horticultural sources.

Growing in Denton, Texas, USA
Growing in Denton, Texas, USA
Seed capsules
Seeds
Growing at TWU in Denton, Tx.

References

^ ^1.0 ^1.1 "Zephyranthes tubispatha (L'Hér.) Herb". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-12-31.
^ ^2.0 ^2.1 "RHS Plant Selector - Habranthus tubispathus". Retrieved 5 July 2020.
^ ^3.0 ^3.1 ^3.2 Mathew, Brian (1987), The Smaller Bulbs, London: B.T. Batsford, ISBN 978-0-7134-4922-8, p. 101
^ "Katoch D and Singh B, Med Aromat Plants" (PDF).
^ "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 44. Retrieved 3 March 2018.

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[POWO_67314-1-1] 1.0 ^1.1 "Zephyranthes tubispatha (L'Hér.) Herb". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2021-12-31.

[RHSPF-2] 2.0 ^2.1 "RHS Plant Selector - Habranthus tubispathus". Retrieved 5 July 2020.

[Mathew1987-3] 3.0 ^3.1 ^3.2 Mathew, Brian (1987), The Smaller Bulbs, London: B.T. Batsford, ISBN 978-0-7134-4922-8, p. 101

[4] "Katoch D and Singh B, Med Aromat Plants" (PDF).

[5] "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 44. Retrieved 3 March 2018.

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