FROM THE AUTHOR
Browse published contributions by Jan Maurer to the Angraecum reference.
Care
Angraecum orchids need a clear day‑night temperature difference, typically 10–15 °F (5–8 °C), with cooler nights to trigger flower induction. Most species thrive at intermediate daytime temperatures (75–85 °F / 24–29 °C) and night temperatures no…
Read the article: Managing Temperature Fluctuations to Optimize Angraecum Growth and BloomingPollination
Hand pollination can raise fruit set in home-grown Angraecum when flowers are mature and natural pollinators are absent, but there is no single genus-wide recipe. In a glasshouse study of Angraecum eburneum…
Read the article: Hand Pollinating Angraecum: A Practical Guide to Better Fruit Set at HomeCare
To grow Angraecum orchids successfully you need to recreate the cool temperatures, near‑saturation humidity, frequent fine mist (fog), gentle air movement and dappled light that characterize their native montane cloud forests. A…
Read the article: How to Simulate Montane Cloud Forest Conditions for Angraecum CultivationCare
Magnesium deficiency in Angraecum orchids appears as interveinal yellowing or a reddish tint on older leaves and can be confirmed by tissue testing or by ruling out other causes. Treatment involves supplementing…
Read the article: Managing Magnesium Deficiency in Angraecum Orchids: Symptoms, Diagnosis, and TreatmentIdentification
Leaf burn on Angraecum orchids appears as bleached spots that turn brown or black, usually on the part of the leaf receiving the most direct sun. It is caused by light levels…
Read the article: Recognizing and Treating Light‑Induced Leaf Burn in Angraecum OrchidsIdentification
This guide shows how to create a reliable, morphology‑based identification key for Angraecum orchids. It covers collecting standardized measurements, selecting diagnostic characters such as spur length or ovary size, drafting a dichotomous…
Read the article: Step-by-Step Guide to Building a Morphology‑Based Identification Key for Angraecum SpeciesCare
During active growth Angraecum species thrive at daytime temperatures of 20‑27 °C (68‑81 °F) and nighttime temperatures of 15‑20 °C (59‑68 °F). In a winter rest period a modest cooling—day 18‑22 °C (64‑72 °F) and night 12‑16 °C (54‑61 °F)—promotes…
Read the article: Seasonal Temperature Management for Angraecum: Optimal Ranges for Growth and RestConservation
In most homes the specialized night‑flying hawkmoths that pollinate Angraecum orchids are absent, so growers must either create conditions that attract these moths or use hand‑pollination to maintain seed set. Providing strong…
Read the article: Conserving Natural Pollinator Relationships for Angraecum Orchids in Home CultivationConservation
Conservation photography—ranging from ground‑level macro shots to drone‑borne aerial images—provides verifiable visual records of Angraecum populations, their micro‑habitats, and the threats they face. These images can be used for baseline monitoring, threat…
Read the article: How Conservation Photography Can Document and Protect Threatened Angraecum HabitatsPage 3 of 8
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