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Marcus, Joseph A.
Prunus rivularis Scheele
Creek plum, Hog plum, River plum
USDA Symbol: prri
USDA Native Status: Native to U.S.
A thicket forming shrub on stony upland sites, in wooded canyons, and in valley bottoms. Leaves up to 2 1/2 inches long, ovate to narrower, with small gland tipped teeth on the margins. Flowers in clusters of 2 to 4 along the branches, white, up to l/2 inch wide; very noticeable in early spring in a drab countryside before many woody plants have put out new leaves. Fruit fleshy, as much as 3/4 inch in diameter, yellow to bright red or crimson.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf Retention: Deciduous Size Notes:
Normally around 6 feet high Leaf:
Blue-green Autumn Foliage:
Flower 1 cm wide
Usually yellow with reddish tinge. Occasionally red. Up to 2 cm Size Class:
Bloom InformationBloom Color: White
Bloom Time: Mar
OK , TX Native Distribution:
Central Texas north to Oklahoma Native Habitat:
Limestone woodlands, creeksides, and canyons USDA Native Status: L48(N)
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade
Soil Moisture: Dry , Moist
Soil pH: Alkaline (pH>7.2)
Soil Description: Limestone-based woodland soils. Sandy okay.
Conditions Comments: In full sun, will colonize more densely and attain a fuller, denser form. In light woodland shade, will be lighter and airier in appearance and colonize less aggressively. Like many plants in the rose family, it is susceptible to webworms.
Blooms ornamental and fragrant. Use Wildlife: Fruit
consumed by birds and mammals. Flowers visited by pollinating insects. Thicket/colony forming, so provides cover. Use Other:
Good for erosion control. Warning:
The seeds of all Prunus species, found inside the fruits, contain poisonous substances and should never be eaten. Sensitivity to a toxin varies with a personís age, weight, physical condition, and individual susceptibility. Children are most vulnerable because of their curiosity and small size. Toxicity can vary in a plant according to season, the plantís different parts, and its stage of growth; and plants can absorb toxic substances, such as herbicides, pesticides, and pollutants from the water, air, and soil. Conspicuous Flowers:
Birds , Butterflies Nectar Source:
Hardwood Cuttings , Root Cuttings , Seeds , Semi-hardwood Cuttings , Softwood Cuttings Description:
Prunus species may be rooted from dormant hardwood, softwood, semi-hardwood, or root cuttings. Semi-hardwood and softwood cuttings taken in summer root easiest. Germination of most seeds requires cold stratification. Seed Collection:
when it is filled out, firm, and its ripe color. Clean seeds from pulp and briefly air dry. (Seeds to be sown immediately in fall do not need drying.) Storage viability is maintained at 31-41 degrees. Seed Treatment:
According to horticulturist Benny Simpson, 70% of the seeds of this species taken from ripe fruit
are likely to be ready to plant, already fully mature. Stratification is still recommended for maximum viability, however. For spring sowing, stratify seeds in moist sand for 30-60 days in a greenhouse, then cold stratify (36-41 degrees) for 60-90 days. Plant well before high temperatures.
Mr. Smarty Plants says
Edible plants native to Austin, TX
August 05, 2009
I am a chef from Buenos Aires Argentina visiting Austin, Texas and would like to learn about native, edible plants in the region.
Please let me know if there are any native, edible plants...
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Fruit trees for South Austin.
January 25, 2008
I live in South, South Austin, just a pinch West of 35 near 1626. I would like to plant some fruit trees in the back yard. Anyone will sell fruit trees, but they don't always grow. What fruiting var...
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Herbarium Specimen(s)NPSOT 0197
Collected Mar. 28, 1992 in Comal County by Mary Beth WhiteNPSOT 0196
Collected Mar. 28, 1992 in Comal County by Mary Beth WhiteNPSOT 0185
Collected Feb. 25, 1992 in Bexar County by Lottie Millsaps
Recommended Species Lists
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Record Modified: 2009-03-14
Research By: TWC Staff