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Angraecum longicalcar, also known as the long spurred Angraecum, is a large critically endangered orchid endemic to the Central Highlands of Madagascar. This lithophytic species is noteworthy for its exceptionally long 40 cm nectar spur, rivalling that of the famous Darwins' orchid (A. sesquipedale), and as such may have the longest spur of any orchid species.
The species is found growing exclusively as a lithophyte on rocky marble outcrops, at 1000-1200m above sea level. Flowers typically begin to open in February, and stay open until April. Once pollinated, seeds take around 6 months to mature within the seed pod.
Angraecum aporoides · Angraecum bancoense · Angraecum birrimense · Angraecum borbonicum · Angraecum cadetii · Angraecum calceolus · Angraecum caulescens · Small Spider Angraecum · Angraecum crassum · Angraecum cucullatum · Angraecum didieri · Angraecum distichum
Text excerpted from the Wikipedia article Angraecum longicalcar by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
