Lachenalia flava

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Lachenalia flava
Lachenalia flava (12192131254).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Asparagaceae
Subfamily: Scilloideae
Genus: Lachenalia
Species:
L. flava
Binomial name
Lachenalia flava
Synonyms [2]
List
    • Lachenalia aloides var. aurea(Lindl.) Engl
    • Lachenalia aureaLindl.
    • Lachenalia macrophyllaLem
    • Lachenalia quadricolor var. luteaSims
    • Lachenalia tricolor var. aurea(Lindl.) Hook.f.

Lachenalia flava, the golden opal flower, is a species of flowering plant in the genus Lachenalia native to the southwest Cape Provinces of South Africa. [2] It has gained the Royal Horticultural Society's Award of Garden Merit. [3]

Contents

Description

Lachenalia flava is a bulbous plant with:

Conservation and habitat

Lachenalia flava is endemic to the Western Cape of South Africa, where it occurs on rocky sandstone and shale slopes within fynbos and renosterveld vegetation. [5] The species is adapted to fire-prone habitats, with mass flowering stimulated by burning, although it is not strictly dependent on fire for regeneration. [5] Pollination is primarily by sunbirds, and its relatively large seeds are dispersed by wind after being shaken from the capsules. [5]

Historically, the species was recorded from Paarl Mountain and Wellington to the upper Breede River Valley near Tulbagh, but it has become locally extinct at some sites, including Paarl Mountain. [5] It now survives in only two main subpopulations: in Bain’s Kloof (Hawequas Mountains) and between Tulbagh and Wolseley. [5] Habitat loss due to urban expansion and agriculture in the Breede River Valley, as well as competition from invasive alien plants, are the principal threats to its persistence. [5]

The South African National Biodiversity Institute (SANBI) has assessed Lachenalia flava as Vulnerable (VU D2) under IUCN criteria, owing to its restricted distribution and ongoing decline in habitat quality. [5] The species has also been recorded as a garden escape in Australia, [6] but introduced populations are not considered in conservation assessments, which focus on the native South African range.

References

  1. Bot. Repos. 7: t. 456 (1807)
  2. 1 2 "Lachenalia flava Andrews". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. 2017. Retrieved 8 November 2020.
  3. "Lachenalia flava golden opal flower". The Royal Horticultural Society. Retrieved 8 November 2020. Synonyms; Lachenalia aloides var. luteola, Lachenalia aloides var. aurea
  4. "Lachenalia flava". VicFlora – Flora of Victoria. Royal Botanic Gardens Victoria. Retrieved 16 December 2025.
  5. 1 2 3 4 5 6 7 "Lachenalia flava Andrews". SANBI Red List of South African Plants. South African National Biodiversity Institute. 2 March 2020. Retrieved 16 December 2025.
  6. "Lachenalia flava". SANBI Sensitive Species List. South African National Biodiversity Institute. 2010. Retrieved 16 December 2025.