stamens in the form of heart on a sunflower

RFID:BCHCX6

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Contributor:

Valentyn Volkov / Alamy Stock Photo

Image ID:

BCHCX6

File size:

48.6 MB (1.8 MB Compressed download)

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Dimensions:

5050 x 3367 px | 42.8 x 28.5 cm | 16.8 x 11.2 inches | 300dpi

Date taken:

13 July 2009

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stamens in the form of heart on a sunflower

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RM2AX74X6–Bergen's botany, key and floraNorthern and central states ed . or nearly white. Stamens 8; style 3-parted more than halfits length. Akene 3-angled, snu)oth and shining. In swamps andwet places, especially S. 72 KEY AND FLORA 6. P. dumetorum L. False Buckwheat. Perennial. Stems slen-der, twining, branched, 2-10 ft. long. Leaves ovate, taper-pointed,heart-shaped to halberd-shaped at the base, long-petioled. Stipulescylindrical, truncate. Flowers in axillary, more or less compound andleafy racemes. Calyx greenish-white, the outer lobes winged and form-ing a margin on the pedicel. Stamens 8. Stigm

RMPG17E3–. The grasses of Tennessee; including cereals and forage plants. Grasses; Forage plants; Grain. 330 CEKEALS. CHAPTEE XXII. BTTCKWHEAT—DHOUEO COEN. BUCKWHEAT—(Polygonum fagopyrum.) This is one species of a -weed comprising many varieties. It has al- ternate, entire leaves, having stipules in the form of scarious or membranous sheaths at strongly marked, usually tu- mid joints of the stem; leaves triangu- lar-heart-shaped inclining to halberd- shaped or arrow-shaped on long petioles; sheaths half cylindrical; flowers white, or nearly so, in corymbose panicles; stamens 8, with as many honey-beari

RMRDC88P–. The grasses of Tennessee; including cereals and forage plants. Grasses; Forage plants; Grain. 330 CEKEALS. CHAPTEE XXII. BTTCKWHEAT—DHOUEO COEN. BUCKWHEAT—(Polygonum fagopyrum.) This is one species of a -weed comprising many varieties. It has al- ternate, entire leaves, having stipules in the form of scarious or membranous sheaths at strongly marked, usually tu- mid joints of the stem; leaves triangu- lar-heart-shaped inclining to halberd- shaped or arrow-shaped on long petioles; sheaths half cylindrical; flowers white, or nearly so, in corymbose panicles; stamens 8, with as many honey-beari

RMPG2K5M–. Key and flora : northern and central states . Botany. 72 KEY AND FLORA 6. P. dumetorum L. False Buckwheat. Perennial. Stems slen- der, twining, branched, 2-10 ft. long. Leaves ovate, taper-pointed, heart-shaped to halberd-shaped at the base, long-petioled. Stipules cylindrical, truncate. Flowers in axillary, more or less compound and leafy racemes. Calyx greenish-white, the outer lobes winged and form- ing a margin on the pedicel. Stamens 8. Stigmas 3. Akene 3-angled, black, smooth, and shining. Margins of fields and thickets.* ni. FAGOPYRUM L. Smooth annual herbs, with more or less triangul

RMRDJJ1R–. Essentials of botany. Botany; Botany. 72 KEY AND FLOKA 6. P. dumetOTum L. False Buckwheat. Perennial. Stems slen- der, twining, branched, 2-10 ft. long. Leaves ovate, taper-pointed, heart-shaped to halberd-shaped at the base, long-petioled. Stipules cylindrical, truncate. Flowers in axillary, more or less compound and leafy racemes. Calyx greenish-white, the outer lobes winged and form- ing a margin on the pedicel. Stamens 8. Stigmas 3. Akene 3-angled, black, smooth, and shining. Margins of fields and thickets.* ni. FAGOPYRUM L. Smooth annual herbs, ^ith more or less triangular leaves; the s

RMPG3TWE–. Essentials of botany. Botany; Botany. 72 KEY AND FLOKA 6. P. dumetOTum L. False Buckwheat. Perennial. Stems slen- der, twining, branched, 2-10 ft. long. Leaves ovate, taper-pointed, heart-shaped to halberd-shaped at the base, long-petioled. Stipules cylindrical, truncate. Flowers in axillary, more or less compound and leafy racemes. Calyx greenish-white, the outer lobes winged and form- ing a margin on the pedicel. Stamens 8. Stigmas 3. Akene 3-angled, black, smooth, and shining. Margins of fields and thickets.* ni. FAGOPYRUM L. Smooth annual herbs, ^ith more or less triangular leaves; the s

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RMRE2HN9–. Elements of botany. Botany. 72 KEY AND FLOKA 6. P. dumetorum L. False Bfckwukat, Perennial. Stems slen- fler, twining, branched, 2-10 ft. long. Leaves ovate, taper-pointed, heart-sliaped to lialberd-shaped at the base, long-petioled. Stipules cylindrical, truncate. Flowers in axillary, more or less compound and leafy racemes. Calyx greenish-white, the outer lobes winged and form- ing a margin on the pedicel. Stamens 8. Stigmas )j. Akene 3-angled, black, smooth, and shining. Margins of fields and thickets* III. FAGOPYRUM Hill iSmootli annual herbs, witli more or less triangular leaves ; the s

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stamens in the form of heart on a sunflower

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