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Project Name Data (Last Modified On 1/28/2013)

Flora Data (Last Modified On 1/28/2013)
PlaceOfPublication Sp. P1. 342. 1753.
Synonym Petiveria octandra L. Sp. P1. 486. 1762. Petivera foetida Salisb. Prodr. 214. 1796. Petiveria alliacea P grandifolia (L.) Moq. in DC. Prodr. 13 ':9. 1849. Petiveria alliacea y octandra (L.) Moq. loc. cit. 1849. Petiveria ochroleuca Moq. loc. cit. 1849. Petiveria paraguayensis Parodi, in Anal. Soc. Cient. Argent. 160. 1878. Petiveria hexanddria Sesse & Moc. Fl. Mex. ed. 2. 90. 1894.
Description Tall herbs, often woody at the base, with slender sometimes angled stems, to 5-10 dm. tall, with a strong odor of garlic. Leaves elliptic to obovate, the apex acute or acuminate, often mucronate, the base narrowed, 5.5-16.0 cm. long, about 2-6 cm. broad, slightly pubescent; petioles 1.5-2.0 cm. long. Inflorescence in slender usually sparsely flowered racemes 15-40 cm. long; pedicels up to 1 mm. long. Tepals white or greenish-white, sometimes pale pink, often basally pubescent, about 3-5 mm. long. Stamens 8, free, up to 3 mm. long. Ovary 4-uncinate, the hooks becoming elongate and quite prominent in fruit. Fruit linear, 8 mm. long.
Habit herbs
Distribution United States, Florida to Texas; throughout the West Indies and Central Amer- ica; South America, Colombia to Argentina;
Note common in dry or moist fields and forests, often found near habitations, especially on waste ground, up to 1500 meters. Some of the common names are: Garlic-weed, Obeah-bush, Anomu, and Guinea-hen weed.
Elevation up to 1500 meters
Common Garlic-weed Obeah-bush
Common Anomu Guinea-hen weed
Specimen BOCAS DEL TORO: Chiriqui Lagoon, Von Wedel 1323; Water Valley, Von Wedel 636. CHIRIQUI: Puerto Armuelles, Woodson % Schery 841, 900; between Remedios and David, P. White 308; Rio Dupi, Pittier 5222. CANAL ZONE: Ancon Hill, Standley 26336; Las Cruces Trail, Government forest, Hunter & Allen 73i, 694. PANAMA: Taboga Island, Allen I29I; Standley 27838, 27025; Woodson, Allen d- Seibert I470; Macbride 279I. DARIEN: Pinogana, Allen 940.
Note Petiveria alliacea closely resembles P. tetrandra, a species limited in geographical distribution to Brazil. However, the two may be separated fairly readily by the presence in P. tetrandra of 6 hook-like processes in the ovary and fruit rather than the 4 found in P. alliacea. Furthermore, the flower pedicels in P. tetrandra are about 5 mm. long, whereas those of P. alliacea are so short that the flowers appear to be sessile.
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