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It is one of the most common viruses affecting cultivated orchids, perhaps second only to the Cymbidium mosaic virus. [1] It causes spots on leaves and colored streaks on flowers. [1] If a plant is also infected with the Cymbidium mosaic virus, it can lead to a condition called blossom brown necrotic streak. [1]
Diuris maculata, commonly known as the spotted doubletail, [2] is a species of orchid endemic to New South Wales. It has up to two or three folded leaves and a flowering stem with up to eight yellow flowers with brown to blackish markings. It is similar to D. pardina which has darker flowers with larger brown markings.
Lycaste flowers, like all orchid blooms, have three petals and three sepals. The petals are typically yellow, white, or orange, and the sepals are yellow, orange, green, or reddish brown. The petals and sepals may be marked sparsely or densely with red, reddish purple, purple, or reddish brown spots.
The plants are fungal magnets in habitat and in cultivation and tend to culture mychorrhizal fungi they pick up from their environment since this species is a trash basket orchid that in nature creates a network of interlocked airborne roots to collect leaf litter, they have a tendency to rapidly break down their growing medium more so than ...
flowers are ~5 cm across (up to 6.5 cm), cream background with raised red-brown spots, and varying degrees of green around the column, waxy; Mature, specimen-size plants are capable of producing hundreds of flowers on pendent, branching inflorescences reaching 40 centimeters; blooms have sweetly fragrant citrus scent; flowers can last many months
Brown leaf tips can be a sign the leaves are drying out and the plant needs more humidity. Fix It: Spritz your peace lily’s leaves with water once a week. Put the peace lily in a bathroom where ...
Related: The 6 Best Humidifiers for Plants, According to Testing. 6. Nutrition Problems. Too little phosphorous, a nutrient plants need to thrive, can cause brown spots on the edges of fiddle leaf ...
Thelymitra tigrina is a tuberous, perennial herb with a single leaf 100–150 mm (4–6 in) long and 3–4 mm (0.1–0.2 in) wide. Between two and fifteen yellow, cup-shaped flowers with many dark brown spots, 10–16 mm (0.4–0.6 in) wide are borne on a flowering stem 150–700 mm (6–30 in) tall.