Having papilla that are not well developed, shallow and less nipple-like than fully papillate structures.
An unbranched sympodium with a single sporangium produced externally from the base of the previous sporangium.
The hyphal strand on which the sporangium is formed; may be branched or unbranched to form compound or simple sympodia.
A sac that bears endogenous, asexual spores. In Phytophthora, zoospores are produced in a sporangium. (Pl. sporangia)
A type of sporangiophore which appears simple, but where each successive sporangium develops on a branch behind and to one side of the previous apex, where growth has already ceased. (Pl. sympodia)