dcsimg

Comprehensive Description

provided by North American Flora
Gymnosporangium kernianum Bethel, Mycologia 3 : 157. 1911
O and I. Pycnia and aecia uncertain.
On Malaceae :
Afuelanchier sp. Proven by culture as to host, but without maturing aecia.
Telia caulicolous, from a perennial mycelium, arising between the scale-like leaves on the green twigs, causing a fasciation of the young shoots and forming globose witches' brooms 15-45 dm. in diameter, not causing a reversion to the juvenile form, scattered, usually solitary, hemispherical, 0.5-0.8 mm. across, rather compact, dark reddish-brown ; teliospores chiefly 2-celled, narrowly ellipsoid, 21-26 by 55-74 ,«, narrowed or sometimes rounded at both ends, slightly or not constricted at the septum-; wall thin, about IfJ-, yellowish, the pores usually 2 in each cell, near the septum ; pedicel cylindrical.
On Juniperaceae :
Juniperus utahensis {'Sin^^Xvi.') I^emm., Colorado. Type locality: Paonia, Colorado, onjuniperus uiahensis. Distribution : Western Colorado.
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bibliographic citation
Joseph Charles Arthur, Frank Dunn Kern. 1912. (UREDINALES); AECIDIACEAE (continuatio), GYMNOSPORANGIUM. North American flora. vol 7(3). New York Botanical Garden, New York, NY
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Gymnosporangium kernianum

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Gymnosporangium kernianum is a fungal plant pathogen.[1]

References

  1. ^ Peterson, Roger S. (1962). "Notes on Western Rust Fungi. II. Pucciniaceae". Mycologia. 54 (4): 389–394. doi:10.2307/3756567.

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Gymnosporangium kernianum: Brief Summary

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Gymnosporangium kernianum is a fungal plant pathogen.

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