Root Photosynthesis in Orchids: Cattleyas and Other Epiphytes

Fact

Many epiphytic orchids photosynthesize through roots—chlorophyll visible as green coloration on wet roots.

Primary photosynthesis occurs in leaves. Root photosynthesis supplements energy, especially in species with exposed roots on tree trunks or moss.

Orchids: Growing Cattleyas in Rock Medium: Grow Rock and Pot-in-Pot Method; Encouraging Root Growth on a Vanda Orchid; Moss and Decorative Rocks on Orchid Roots: Remove or Leave?; The Dangers of Ice Watering: Saving a Yellowing Phalaenopsis; Repotting Phalaenopsis with Long Aerial Roots; Aerial Root Masses on Orchid Stem: Dendrobium Cane Propagation; Phalaenopsis Air Roots and Yellowing Spike: Repotting Guide; Cattleya Root & Rhizome Wrinkling: Rest Periods, Humidity & Repotting; Why Weeping Willows Are Poor Choices Near Homes and Septic Systems; Stopping Bradford Pear Root Sprouts After Tree Removal

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