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Published In: Botanical Gazette 90: 329. 1930. (Bot. Gaz.) Name publication detailView in Botanicus

Project Name Data (Last Modified On 7/9/2009)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Native


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1. Juniperus ashei Buchholz (Ashe's juniper) Pl. 20a,b; Map 70

Trees to 15 m tall, rarely few-trunked and shrublike. Trunks with gray to light brown bark shredding in longitudinal strips. Scalelike leaves 1–2 mm long, acute or blunt at the tip. Needlelike leaves 3–6 mm long. Cones 5–9 mm in diameter, 1(2)-seeded. 2n=22. Pollen shed March–April.

Uncommon in southwestern portion of the Ozark Division along the Arkansas border (Texas to Missouri). Dolomite glades and bluffs, less commonly along dry roadsides in dolomite outcrops.

Although this species is almost always found growing with the more common J. virginiana, earlier reports of hybridization between them were refuted using morphological and phytochemical analyses (Adams and Turner, 1970; Adams, 1975). Aside from the minutely toothed leaf margins, Ashe's juniper can usually be differentiated from the eastern red cedar by a combination of other characters. The foliage of J. ashei is a darker green and generally stays green through the winter, whereas the foliage of J. virginiana is usually lighter, olive green to yellowish green, and often turns a bronze color after the first frost. A unique feature of J. ashei in Missouri and perhaps elsewhere is the pattern of lighter and darker rings along the trunks and larger branches. The basis for this odd coloration is unknown.

Juniperus ashei is the characteristic juniper of the Edwards Plateau in central Texas, where it also is weedy in old fields and is used for fence posts. The trees are too uncommon in Missouri to be of any commercial value.



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