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Citrus halimii

Citrus halimii
Scientific classification
C. halimii
Binomial name
Citrus halimii

Citrus halimii or Mountain citron is a sour fruit variety belonging to the citrus papedas, not related to the true citron. It was first discovered and catalogued in 1973.[2]


Citrus halimii is quite rare and poorly studied. After its initial 1973 discovery and description, it has been observed in only a handful of locations scattered across Southeast Asia: Thailand and Malaysia (the locations of the first discoveries), along with isolated stands in Indonesia.[2]


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 papedas, the halimii has relatively large leaves, with a long, winged petiole.[2]

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.[2]


  1. ^ The binomial was originally published at: Stone, B.C.; Lowry, J.B.; Scora, R.W.; Jong, K. (1973). "Citrus halimii : A new Species from Malaya and Peninsular Thailand". Biotropica. 5 (2): 102–110. doi:10.2307/2989659.
  2. ^ a b c d e "Citrus halimii". Plant of the month. Bangkok, Thailand: Office of the Forest Herbarium : Department of National Parks, Wildlife and Plant Conservation. February 2005. Archived from the original on July 17, 2011. Retrieved November 24, 2009.