Shoestring Acacia. Acacia stenophylla Pea Family ( Fabaceae ) Shoestring Acacia. Also called: Eumong, or River Coobah in Eastern Australia. We wish to thank Wikipedia, the free encyclopedia for some of the information on this page. We share images and information with Wikipedia. A medium sized tree 15 -40', with long, narrow, pendulous leaves and yellow flowers. Seed pod is most attractive hanging from tree like a string of beads. Tolerant of extended dry periods & frost. Grows well in medium or heavy soils and tolerates waterlogging for short periods. Prefers full sun or partial shade. Excellent for large gardens and parks. Good shelter and shade tree for stock. Hard, close grained wood is suitable for making furniture. Useful decoration near swimming pool. Botanists can not agree as to which family it belongs. Some say it is of the a member of the Mimosa family and may be a native of Africa A small tree with a somewhat weeping habit it is tolerant of saline, alkaline and waterlogged soils and survives periodic flooding. Quick Notes: Height: Up To 40 feet tall, 20 - 30 feet spread. Flowers: 1/2" diameter; creamy - white balls; mainly in late winter and early spring. Flowering Time: Early January - March or April. Leaves: Long, usually dull green in color. Stems/Trunks: 3 to 14 inches in diameter. Bark: Redish-brown, finely furrowed bark. Seed Pods: Has 8 to 12 inch pods that resemble a string of pale green beads with the pods constricted between each seed. Found: Native to Australia. Hardiness: USDA Zone 9a: to -6.6 �C (20 �F) USDA Zone 9b: to -3.8 �C (25 �F) USDA Zone 10a: to -1.1 �C (30 �F) USDA Zone 10b: to 1.7 �C (35 �F) USDA Zone 11: above 4.5 �C (40 �F) Soil pH requirements: 5.6 to 6.0 (acidic) 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline) 7.9 to 8.5 (alkaline) Sun Exposure: Full Sun Elevation: Can be found growing from 0 - 2,000 feet in Arizona. Habitat: In native Australia it is a common component of watercourse-fringing vegetation in inland arid areas of eastern Australia. Ornamental in lower elevations or Arizona. Miscellaneous: Flowering Photos Taken January 21, 2006. Arrowhead Ranch, Glendale, Arizona. Statewide in Arizona. Very common low water use landscaping plant in the Phoenix and Tucson areas.