[het-uh-ros-puh-ruh s, het-er-uh-spawr-uh s, -spohr-]
- having more than one kind of spore.
Origin of heterosporous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for heterosporous
Salvinia, sal-vin′i-a, n. a genus of heterosporous ferns—formerly called Rhizocarpe or Pepperworts.
- (of seed plants and some ferns and club mosses) producing megaspores and microsporesCompare homosporous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Producing two types of spores differing in size and sex, the male microspore and the female megaspore, which develop into separate male and female gametophytes. All seed-bearing plants, as well as some ferns and other seedless plants, are heterosporous. Compare homosporous.
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