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Herba Cana - Northeastern Illinois University

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© 2004 by CRC Press<br />

The Ethnobotany 489<br />

Pentalinon luteum. a. Flowering branch. b. Node. c. Flower<br />

tube, longitudinally dissected. d. Floral diagram. e. Fruits.<br />

f. Seed with coma. g. Seed. Drawn by Priscilla Fawcett. From<br />

Correll and Correll 1982.<br />

Pentalinon luteum (yellow) ( /Urechites lutea)<br />

[bejuco] ahoga vaca (cow strangler [vine], Dominican<br />

Republic)<br />

barbeiro amarillo (yellow beard, Puerto Rico)<br />

bejuco marrullero (false? climber, Cuba)<br />

Catesby’s vine (Bahamas)<br />

clavelitos (little carnation, Cuba)<br />

corne cabrits (goat horn, Haiti)<br />

curamagüey (Taino?, Hispaniola)<br />

Dominican viper tail (Dominican Republic); hammock<br />

viper’s tail [viperstail] (Florida)<br />

Jamaica nightshade (Jamaica); yellow nightshade<br />

(Jamaica?); nightshade (Cayman Islands)<br />

wild allamanda (Florida)<br />

wild unction (unction /ointment, Bahamas)<br />

Linnaeus ([1753] 1957) called these climbers Vinca<br />

lutea. Then, for many decades, they were called<br />

Urechites lutea, a genus established in 1860 by the<br />

Swiss botanist Johannes Müller of Aargau. However,<br />

Bruce Hansen realized that Pentalinon, described from<br />

plants grown in the Calcutta Botanical Garden in<br />

1845, was an earlier and valid generic name (Hansen<br />

and Wunderlin 1986). Pentalinon now contains two<br />

species, both native to Florida, Central America, and<br />

the Caribbean.<br />

In the Dominican Republic Pentalinon is used to<br />

treat heart disease (cardiotonic), edema, fever, and<br />

colic, and as a purgative (Hocking 1997). Plants are<br />

used to treat headache in Guatemala (Rosatti 1989).<br />

However, doing so is dangerous because the latex is<br />

poisonous, having been used to poison arrows in<br />

tropical countries (Rosatti 1989). It is poisonous to<br />

cattle; people powder the leaves to kill destructive<br />

insects and animals (ants, dogs) (Liogier 1974).<br />

Among the poisonous compounds are the cardenolides<br />

oleandrin, urechitin, and urechitoxin (Gibbs<br />

1974).<br />

Penthorum<br />

(From Greek pente, five, and horos, a column or pillar,<br />

referring to the five-parted flowers)<br />

Penthorum sedoides. a. Top of plant. b. Part of procumbent<br />

stem of plant with roots. c. Cluster of flowers and fruits.<br />

Drawn by Vivian Frazier. From Correll and Correll 1972.<br />

Penthorum sedoides (like Sedum)<br />

[ditch, Virginia] stonecrop (from Old English<br />

stáncrop, combining ‘‘stone,’’ a rock, and

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