The Geiger-tree (Cordia sebestena) is a shrub or small tree native to the Caribbean region, but widely grown as an ornamental throughout the tropics and subtropics for its showy reddish-orange flowers. Although Florida is sometimes said to fall within its native distribution, it has been argued that it was almost surely introduced to the Florida Keys early in the 19th century, possibly by John Geiger, a ship captain residing in Key West (Hammer 2000; Wunderlin and Hansen 2008). However, Gann et al. (2008) claim that it is, in fact, native to Florida, stating that intensive research in herbaria indicates that this species is native to the Florida Keys and extreme southern mainland.
Cordia sebestena is widely planted as an ornamental throughout the tropics and subtropics. The boundaries of its native range appear to be controversial. It is clearly native to at least some islands of the West Indies, although Little and Wadsworth (1964) specifically state that it is not native to Puerto Rico or the Virgin Islands. Its native range is sometimes claimed to include at least parts of Central and South America. There is also controversy about whether this species is actually native to Florida, or whether it was introduced to the Florida Keys in the early 19th century, as many have argued (Hammer 2000; Wunderlin and Hansen 2008. Gann et al. (2008) claim that intensive research in herbaria indicates that this species is indeed native to the Florida Keys and extreme southern mainland. Gann et al. give the native range as "south Florida, the West Indies, southern Mexico, and Central America".
Cordia sebestena grows in poor soils and on seashores (Petrides 1988) and is often planted as an ornamental (Little and Wadsworth 1964). It flourishes in dry soils and is tolerant of salt conditions (Seddon and Lennox 1980). Gann et al. (2008) describe the habitat in South Florida as coastal berm, disturbed upland, and rockland hammock.
The Geiger-tree (Cordia sebestena) is a shrub or small tree (reaching about 7 to 8 m height, 15 cm diameter). The thick evergreen leaves are broad (10 to 20 cm long and 5 to 10 cm wide), long-pointed at the apex, and often toothed on the edges; leaves are very rough on the upper surface and usually hairy below. Twigs are hairy. The tubular, orange-to-red flowers (present year round) are about 4 cm across and clustered at the ends of twigs. The white, pointed, pear-shaped fruits are about 2.5 to 5 cm long with a large seed. (Little and Wadsworth 1964; Petrides 1988)
The fruit of Cordia sebestena is edible, but not commonly eaten by people (Whistler 2000). The dark brown wood is heavy, hard, and close-grained and has been used in Latin America to make cabinets and furniture (Elias 1980).
Cordia sebestena is a shrubby tree in the borage family, Boraginaceae, native to the American tropics. It ranges from southern Florida in the United States and the Bahamas, southwards throughout Central America and the Greater Antilles.[2] Common names have included siricote or kopté (Mayan) in 19th Century northern Yucatán,[3] scarlet cordia in Jamaica,[4] and Geiger tree (after Key West wrecker John Geiger) in Florida.[5]
Cordia sebestena grows to a maximum height of 8–9 m (25–30 ft) at maturity, with a nearly equal spread. The crown is round to vase-shaped. Branches tend to be somewhat drooping, and the tree is naturally multitrunked. When only a single trunk is allowed to develop, it can attain a diameter of 30 cm (12 in).[6]
The dense, evergreen foliage consists of dark green, leathery, alternate, ovate leaves, 18 cm (7 in) long, with wavy margins. These leaves are covered with small hairs, lending them a rough, "sandpapery" texture.[6]
Flowers are produced in clusters at branch ends throughout the year, particularly in the spring and summer. Flowers are 5 cm (2 in) wide, red-orange in color, tubular, flaring (salverform) with 5–7 lobes, bearing 5–7 stamens of similar height. The species is heterostylous and presumably self-incompatible.[7] Pear-shaped fruits follow the flowers, averaging 5 cm (2 in) in length. Fruits are fragrant and edible, but not flavorful.[6]
Cordia sebestena is widely planted throughout the tropics as an ornamental plant in gardens for its showy flowers. It is a slow-growing plant, and sheds enough leaves and fruit to require some upkeep. The wood is rather light in density, but branches are not prone to breakage. The tree should be pruned in its youth to establish a structure, as it is prone to low branching. Soil tolerance is fairly broad, provided the soil drains well. Cordia sebestena tolerates drought, but not frost. It is not particularly susceptible to pests and diseases, other than the geiger tortoise beetle,[6] which can cause occasional defoliation. This plant tolerates salt spray found near the ocean. It enjoys full sun, and can grow in a part-day sun situation as well. Its uses include: street tree, shade tree, even as a container subject in its youth. It is planted in traffic medians and parking lots, and is a useful seaside subject.[6]
Leaves, underside (Hyderabad, India)
Close-up of flower (Dakar, Senegal)
Fruits (Hyderabad, India)
Cordia sebestena is a shrubby tree in the borage family, Boraginaceae, native to the American tropics. It ranges from southern Florida in the United States and the Bahamas, southwards throughout Central America and the Greater Antilles. Common names have included siricote or kopté (Mayan) in 19th Century northern Yucatán, scarlet cordia in Jamaica, and Geiger tree (after Key West wrecker John Geiger) in Florida.