Hippeastrum reticulatum

Hippeastrum reticulatum, the netted-veined amaryllis, is a flowering perennial herbaceous bulbous plant, in the family Amaryllidaceae, native to South America.[1]

Hippeastrum reticulatum
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Amaryllidoideae
Genus: Hippeastrum
Species:
H. reticulatum
Binomial name
Hippeastrum reticulatum
Synonyms
  • Amaryllis reticulata
  • (See also World Checklist of Selected Plant Families).[2][3]
Original illustration by L'Héritier, 1788

Description

Originally described by L'Héritier as petalis venosis transversal distincta,[4] a reference to the defining characteristic of the species with an unusual and exquisite venation of the petals, darker than the purple to pink background color. The seeds are unusual for Hippeastrum in being orange-red, round, turgid and fleshy rather than black and paper like.[5][6]

Taxonomy

Hippeastrum reticulatum was one of the earliest Hippeastrums to be discovered and was introduced to Europe in 1777 by Edward Whitaker Gray from Brazil,[5] as documented by William Aiton in his Hortus Kewensis (1789).[7] It was described by Charles Louis L'Héritier de Brutelle in 1788 as one of a number of species of Amaryllis, Amaryllis reticulata,[4] it was later recognised by Herbert in 1824 as a member of the separate South American genus Hippeastrum rather than Amaryllis which is confined to South Africa, and thus as Hippeastrum reticulatum (L'Hér.) Herb., Bot. Mag. 51: t. 2475 (1824).[8][1][9]

Subdivision

Some sources[5] follow Herbert (1837) in stating that there are two varieties, reticulatum and striatifolium.[10][11][6] A third variety, strictum Herb., is sometimes also included.[9] This division into varieties is not accepted by the World Checklist.[12]

Etymology

The specific epithet reticulatum is Latin for "netted", referring to the venation of the petals.[13]

Distribution and habitat

From Argentina to Brazil,[1][6] growing in wet sandy soil. In Brazil they are found under Mussununga forest whose smaller canopy allows more light to reach the forest floor.[5]

Ecology

Hippeastrum reticulatum blooms in late summer to autumn, with an active growing season of autumn to early winter, and requires a semi-dormant period of 4–6 weeks during late winter and early spring. The species is unusual amongst Hippeastrum, in being self-fertile.[5][6]

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References
  1. WCLSPF 2015, Hippeastrum reticulatum
  2. WCLSPF 2015, Synonyms
  3. TPL 2013.
  4. L'Héritier de Brutelle 1788, Plate 14
  5. PBS 2015, Hippeastrum reticulatum
  6. IBS 2013.
  7. Aiton 1789, Amaryllis reticulata p. 225
  8. Herbert 1824.
  9. Tropicos 2016.
  10. Herbert 1837, Hippeastrum reticulatum striatifolium p. 137
  11. Herbert 1819.
  12. WCLSPF 2015, Hippeastrum reticulatum var. striatifolium (Herb.)
  13. Griffith 2005.

Bibliography

Historical

  • Aiton, W. (1789). Hortus Kewensis 3 vols. London: George Nicol.CS1 maint: ref=harv (link)
  • Herbert, W. (1819). "Amaryllis reticulata. β. striatifolia Griffin's netted-veined Amaryllis. Coburgia. Herbert". Curtis's Botanical Magazine. 47: T. 2113 1–6.CS1 maint: ref=harv (link)
  • Herbert, W. (1824). "Amaryllis subbarbatum. Slightly-bearded Knights-star-lily". Curtis's Botanical Magazine. 51: T. 2475 1–2.CS1 maint: ref=harv (link)
  • Herbert, William (1837). Amaryllidaceae: Preceded by an Attempt to Arrange the Monocotyledonous Orders, and Followed by a Treatise on Cross-bred Vegetables, and Supplement. London: Ridgway.CS1 maint: ref=harv (link)
  • L'Héritier de Brutelle, Charles Louis (1788). Sertum Anglicum, seu, Plantae rariores quae in hortis juxta Londinum: imprimis in horto regio Kewensi excoluntur, ab anno 1786 ad annum 1787 observatae. Paris: Petri Francisci Didot.CS1 maint: ref=harv (link)

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