Prunus maritima var. gravesii (Small) G.J.Anderson

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NEW YORK BOTANICAL GARDEN
Prunus maritima Marsh.
var. Gravesii (Small) Anderson
Determined by Gregory J. Anderson August 1979
Prunus Gravesii n. sp.
A low, unarmed shrub * stems erect or ascending, reaching a
maximum height of 12 dm., much branched, clothed with a dark
rough bark, leafless like the ascending branchés; twigs and
branchlefs less leafy, usually puberulent; leaves orbicular or. oval-
orbicular, varying towards ofbicular^obovate, 2- 4cm. long, rounded
or retuse and apiculate at the apex, sharply serrate or those of
the shoots crenate-serrate, abruptly narrowed, rounded or truncate
at the base, sparingly’ pubésent or glabrate above, more pubes-
cent beneath, especially. on. the nerves; flowers pure white,
1-3 cm. broad, solitary or 2-3 together, scattered' on the twigs
near the top of the shrub; pedicels stiff, stout, 6-10 mm. long,
pubescent; calyx pubescent like the pedicels, the tube campanu-
late, the segments oblong, as long as the tube; petals sub-orbi-
: cular, about, 5; mm. in diameter, abruptly narrowed at the base;
drupe globose; solitary, 10-15 mnv in diameter, usually 12.5-13
mm. in diameter, deep- purple or alnjost black with an abundant
light blue bloom, bitter and slightly astringent; stone broadly
oval, broadly crested, 7.5-79. mm. long, 7-8 mm. broad and .<>-6.5
mm. thick, very turgid on one side, acute at thje base, rounded at
the apex.	'
In the year 1895 the species flowered during the last week of
May and matured its fruit the first week of September.
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THIS SPECIMEN USED FOR
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