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The [[Aneuploidy|aneutriploid]] species ''[[Urceolina amazonica|U. amazonica]]'' is often misidentified as ''U.'' × ''grandiflora''. Both of them are sterile plants with large fragrant white flowers, but they differ in leaf length, free filament shape, and staminal cup length:<ref name="Meerow, 1989">{{Cite journal |last=Meerow |first=Alan W. |date=1989 |title=Systematics of the Amazon lilies, ''Eucharis'' and ''Caliphruria'' (Amaryllidaceae) |url=https://www.jstor.org/stable/2399347 |journal=Annals of the Missouri Botanical Garden |volume=76 |issue=1 |pages=136–220 |doi=10.2307/2399347 |jstor=2399347 |issn=0026-6493}}</ref>
The [[Aneuploidy|aneutriploid]] species ''[[Urceolina amazonica|U. amazonica]]'' is often misidentified as ''U.'' × ''grandiflora''. Both of them are sterile plants with large fragrant white flowers, but they differ in leaf length, free filament shape, and staminal cup length:<ref name="Meerow, 1989">{{Cite journal |last=Meerow |first=Alan W. |date=1989 |title=Systematics of the Amazon lilies, ''Eucharis'' and ''Caliphruria'' (Amaryllidaceae) |url=https://www.jstor.org/stable/2399347 |journal=Annals of the Missouri Botanical Garden |volume=76 |issue=1 |pages=136–220 |doi=10.2307/2399347 |jstor=2399347 |issn=0026-6493}}</ref>


* ''U.'' × ''grandiflora'' has shorter leaf blades (20–33 cm × (10–)13–16 cm), linear or narrowly [[Glossary of leaf morphology#subulate|subulate]] free [[stamen|filaments]] (1–1.5 mm wide at the base), and staminal cups (5–7 mm long to the apex of teeth) shorter than free filaments (7–8.5(–10) mm long).
* ''U.'' × ''grandiflora'' has shorter leaf blades (20–33&nbsp;cm × (10–)13–16&nbsp;cm), linear or narrowly [[Glossary of leaf morphology#subulate|subulate]] free [[stamen|filaments]] (1–1.5&nbsp;mm wide at the base), and staminal cups (5–7&nbsp;mm long to the apex of teeth) shorter than free filaments (7–8.5(–10) mm long).
* ''U. amazonica'' has longer leaf blades ((20–)30–40(–50) cm × (10–)12–18 cm), subulate free filaments (2.8–3.4 mm wide at the base), and staminal cups (11.2–13.8 mm long to the apex of teeth) longer than free filaments (6.5–8(–10) mm long).
* ''U. amazonica'' has longer leaf blades ((20–)30–40(–50) cm × (10–)12–18&nbsp;cm), subulate free filaments (2.8–3.4&nbsp;mm wide at the base), and staminal cups (11.2–13.8&nbsp;mm long to the apex of teeth) longer than free filaments (6.5–8(–10) mm long).
<gallery>
<gallery>
Eucharis lowii 142-8646.jpg|''U.'' × ''grandiflora'' has shorter leaf blades, slender free filaments, and staminal cups shorter than free filaments.
Eucharis lowii 142-8646.jpg|''U.'' × ''grandiflora'' has shorter leaf blades, slender free filaments, and staminal cups shorter than free filaments.
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{{Taxonbar|from=Q8843744}}
{{Taxonbar|from=Q8843744}}


[[Category:Urceolina|× grandiflora]]
[[Category:Urceolina|x grandiflora]]
[[Category:Plants described in 1854]]
[[Category:Plants described in 1854]]
[[Category:Garden plants]]
[[Category:Garden plants]]
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[[Category:Flora of Ecuador]]
[[Category:Flora of Ecuador]]
[[Category:Interspecific plant hybrids]]
[[Category:Interspecific plant hybrids]]



{{Amaryllidaceae-stub}}
{{Amaryllidaceae-stub}}

Latest revision as of 20:19, 17 January 2024

Urceolina × grandiflora
The illustration of Urceolina × grandiflora in the original publication. The green lines below the staminal cup are filamental traces along the perianth tube.
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Amaryllidaceae
Subfamily: Amaryllidoideae
Genus: Urceolina
Species:
U. × grandiflora
Binomial name
Urceolina × grandiflora
Synonyms[1]
  • Eucharis × grandiflora Planch. & Linden
  • Eucharis × lowii Baker
  • Eucharis × mastersii Baker
  • Urceolina × lowii (Baker) Traub
  • Urceolina × mastersii (Baker) Traub

Urceolina × grandiflora, formerly known as Eucharis × grandiflora, is a natural hybrid putatively between U. moorei and U. sanderi of the family Amaryllidaceae, native to western Colombia and western Ecuador.[1]

Urceolina × grandiflora bulb with scale bar (20 cm)

The aneutriploid species U. amazonica is often misidentified as U. × grandiflora. Both of them are sterile plants with large fragrant white flowers, but they differ in leaf length, free filament shape, and staminal cup length:[2]

  • U. × grandiflora has shorter leaf blades (20–33 cm × (10–)13–16 cm), linear or narrowly subulate free filaments (1–1.5 mm wide at the base), and staminal cups (5–7 mm long to the apex of teeth) shorter than free filaments (7–8.5(–10) mm long).
  • U. amazonica has longer leaf blades ((20–)30–40(–50) cm × (10–)12–18 cm), subulate free filaments (2.8–3.4 mm wide at the base), and staminal cups (11.2–13.8 mm long to the apex of teeth) longer than free filaments (6.5–8(–10) mm long).
  • U. × grandiflora has shorter leaf blades, slender free filaments, and staminal cups shorter than free filaments.
    U. × grandiflora has shorter leaf blades, slender free filaments, and staminal cups shorter than free filaments.
  • U. amazonica has longer leaf blades, flat free filaments, and staminal cups longer than free filaments.
    U. amazonica has longer leaf blades, flat free filaments, and staminal cups longer than free filaments.

References

[edit]
  1. ^ a b "Urceolina × grandiflora (Planch. & Linden) Traub". Plants of the World Online. Kew Science. Retrieved 2023-06-28.
  2. ^ Meerow, Alan W. (1989). "Systematics of the Amazon lilies, Eucharis and Caliphruria (Amaryllidaceae)". Annals of the Missouri Botanical Garden. 76 (1): 136–220. doi:10.2307/2399347. ISSN 0026-6493. JSTOR 2399347.


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