''Krugiodendron ferreum'', commonly known as the black ironwood or leadwood, is a species of

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only ...

in the family

Rhamnaceae The Rhamnaceae are a large Family (biology), family of flowering plants, mostly trees, shrubs, and some vines, commonly called the buckthorn family. Rhamnaceae is included in the order Rosales. The family contains about 55 genera and 950 specie ...

. It is found in southern

Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...

, throughout the

Caribbean The Caribbean ( , ; ; ; ) is a region in the middle of the Americas centered around the Caribbean Sea in the Atlantic Ocean, North Atlantic Ocean, mostly overlapping with the West Indies. Bordered by North America to the north, Central America ...

and from southern

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

Honduras Honduras, officially the Republic of Honduras, is a country in Central America. It is bordered to the west by Guatemala, to the southwest by El Salvador, to the southeast by Nicaragua, to the south by the Pacific Ocean at the Gulf of Fonseca, ...

. Originally described by

Martin Vahl Martin Henrichsen Vahl (10 October 1749 – 24 December 1804) was a Denmark-Norway, Danish-Norwegian botanist, herbalist and zoologist. Biography Martin Vahl was born in Bergen, Norway and attended Bergen Cathedral School. He studied botany at ...

, its specific epithet is the

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

adjective ''ferreus'' (" iron-like").

Taxonomy

It is the only species in the genus ''Krugiodendron''. The genus name honors

Leopold Krug Leopold may refer to: People * Leopold (given name), including a list of people named Leopold or Léopold * Leopold (surname) Fictional characters * Leopold (''The Simpsons''), Superintendent Chalmers' assistant on ''The Simpsons'' * Leopold B ...

(1833–1898). The common names for this species refer to its dense wood.

Description

Typical air-dry samples have densities of approximately 1.30 g/cm³, and up to 1.42 g/cm³.Record, S. ''Tropical Woods'', Vol. 8. 1926 () The tree reaches in height with oppositely arranged,

emarginate The following terms are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (that is, the leaf blade or 'lamina' is undivided) or compound (that is, the leaf blade is divided into two or more leaflets) ...

leaves and small greenish flowers. The fruit is a

drupe In botany, a drupe (or stone fruit) is a type of fruit in which an outer fleshy part (exocarp, or skin, and mesocarp, or flesh) surrounds a single shell (the ''pip'' (UK), ''pit'' (US), ''stone'', or ''pyrena'') of hardened endocarp with a seed ...

5 to 7 mm long turning purplish red as it matures. It is widely cultivated in gardens or parks as a drought-tolerant specimen tree.

References

External links

Image of barkFoliageWoodFruit and flowers
Rhamnaceae Rhamnaceae genera Monotypic Rosales genera Flora of Florida Trees of Northern America Trees of South America Garden plants of North America Ornamental trees Drought-tolerant trees {{Rhamnaceae-stub