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[het-uh-ros-puh-ruh s, het-er-uh-spawr-uh s, -spohr-] /ˌhɛt əˈrɒs pə rəs, ˌhɛt ər əˈspɔr əs, -ˈspoʊr-/

adjective, Botany.
having more than one kind of spore.
(of seed plants and some ferns and club mosses) producing megaspores and microspores Compare homosporous
(hět’ər-ə-spôr’əs, hět’ə-rŏs’pər-əs)
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.


Read Also:

  • Heterospory

    [het-uh-ros-puh-ree] /ˌhɛt əˈrɒs pə ri/ noun, Botany. 1. the production of both microspores and megaspores.

  • Heterostracan

    [het-uh-ros-truh-kuh n] /ˌhɛt əˈrɒs trə kən/ noun, Paleontology. 1. any of several ostracoderms of the order Heterostraci, from the Silurian and Devonian Periods, having the anterior part of the body enclosed in bony plates.

  • Heterostyled

    [het-er-uh-stahyld] /ˈhɛt ər əˌstaɪld/ adjective 1. (of a plant) having styles of different forms or lengths in the flowers.

  • Heterostyly

    /ˈhɛtərəˌstaɪlɪ/ noun 1. the condition in certain plants, such as primroses, of having styles of different lengths, each type of style in flowers on different plants, which promotes cross-pollination

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