Calyx tubular, 4 or 5 toothed; 10
stamens (9 and 1); 1 pistil. (Also solitary fertile flowers,
lacking petals, on thread-like, creeping branches from lower
axils or underground). Stem: Twining wiry brownish-hairy, to 8
ft. long. Leaves: Compounded of 3 thin leaflets, egg-shaped at
base, acutely pointed at tip. Fruit: Hairy pod 1 in. long. Also
1-seeded, pale, rounded, underground peanut.
Preferred Habitat - Moist thickets, shady roadsides.
Flowering Season - August-September.
Distribution - New Brunswick westward to Nebraska, south to Gulf
of Mexico.
Amphicarpaea ("seed at both ends"), the Greek name by which this
graceful vine was formerly known, emphasizes its most interesting
feature, that, nevertheless, seems to many a foolish duplication
of energy on Nature's part. Why should the same plant bear two
kinds of blossoms and seeds? Among the foliage of low shrubbery
and plants in shady lanes and woodside thickets, we see the
delicate, drooping clusters of lilac blossoms hanging where bees
can readily discover them and, in pilfering their sweets,
transfer their pollen from flower to flower.
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