Kingdom Plantae Family Rutaceae Scientific name Citrus halimii | Order Sapindales Genus Citrus Rank Species | |
Similar Citrus latipes, Citrus garrawayi, Citrus inodora, Citrus indica, Citrus warburgiana | ||
Citrus halimii or Mountain citron is a sour fruit variety belonging to the papeda subgroup of citrus plants, not related to the true citron. It was first discovered and catalogued in 1973.
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Distribution
Citrus halimii is quite rare and poorly studied. After its initial 1973 discovery and description, it has only been observed in a handful of locations scattered across Southeast Asia: Thailand and Malaysia (the locations of the first discoveries), along with isolated stands in Indonesia.
Description
Citrus halimii is a midsized evergreen tree, with a mature height of 20 to 25 feet; it is somewhat less thorny than other citrus. Like other members of the papeda sub-group, the halimii has relatively large leaves, with a long, winged petiole.
The fruits of C. halimii are edible, but sour. They are round and small, measuring about 5–7 cm in diameter. The rather thick rind eventually ripens to yellow or orange-yellow; internally the rind is tightly bound to the flesh. The yellow-green segments are filled with a number of large seeds, and a small quantity of juice.