15 Tree Names Starting With K

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This is the ultimate resource of Tree Names starting with the letter K.

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1. Kurrajong, Whiteflower

Scientific Name: Brachychiton populneum

Family: Malpighiaceae

Native: Australia, South East LA

Type: Evergreen

Kurrajong, Whiteflower has an alternate, simple, pointed, land-lobed tree with a base rounded blade with unisexual, showy, calyx bell-shaped flowers and elliptic, flattened brown follicle with yellow seeds.

Suggested Video: Grow Kurrajoing Tree from the seed-

2. Karum Tree

Scientific Name: Pongamia pinnata

Family: Fabaceae

Native: Introduced from Southeast Asia

Type: Deciduous

Karum Tree is an erect or ascending, often very low branching tree with several main branches.

Its bark is light brown, smooth, or slightly roughened, and its flowers are bisexual, whitish, pinkish, or lavender, 1-seeded yellowish to brownish legume, and mature summer to autumn.

Suggested Video: Identification of Pongamia pinnata-

3. Katsura Tree

Scientific Name: Cercidiphyllum japonicum

Family: Cercidiphyllaceae

Native: Introduced from China and Japan, naturalized in New York

Type: Deciduous

Katsura Tree has erect, shaggy, peeling, and curling thin strips with hairless twigs and an opposite, simple, heart-shaped bases with bluntly toothed margins.

Its flowers are unisexual, produced on separate trees, green male flowers with pink anthers, and curved brown or black pods.

Suggested Video: Identification of Katsura Tree-

4. Kidneywood, Texas

Scientific Name: Eysenhardtia texana

Family: Fabaceae

Native: South Texas to Central Mexico

Type: Deciduous

The Kidneywood tree, Texas, is recognizable due to its dense spikes of small white pea-like flower petals.

It is an open shrub or rarely a small tree with pinnate, oblong, obovate leaves.

The fruits of the Kidneywood tree are oblong, incurved, and take the form of ascending legumes.

Suggested Video: Facts about Kidneywood, Texas-

5. Kentucky Coffee Tree

Scientific Name: Gymnocladus dioicus

Family: Fabaceae

Native: Eastern North America

Type: Deciduous

Kentucky Coffee Tree is an erect, pyramidal, or rounded, relatively low-branching trunk with reddish-brown bark and has tip-pointed light green-yellowish leaves.

Its flower is unisexual, male and female, on separate trees, and it has round, hard-coated blackish-brown fruit.

Suggested Video: Facts about Kentucky Coffee Tree-

6. Korean Evodia

Scientific Name: Tetradium daniellii

Family: Rutaceae

Type: Deciduous

Native: Korea and southwestern China

Korean Evodia is a highly desirable small tree with pinnately compound dark green leaves, flat-topped flower clusters, and fragrant white blossoms attracting many bees.

It is followed by a gorgeous display of blooms and contains red to black fruits.

Suggested Video: Korean Evodia Tree attracting bees-

7. Karri

Scientific Name: Eucalyptus diversicolor

Family: Myrtaceae

Native: Southwestern Australia

Type: Evergreen

Karri tree has smooth, grey to cream-colored or pale orange bark with young plants and has egg-shaped to almost round dark-green leaves.

The flower buds in groups on rounded peduncles with white flowers.

Its fruit is a woody barrel-shaped capsule with three valves.

Suggested Video: The Karri forest-

8. Kauri

Scientific Name: Agathis australis

Family: Araucariaceae

Native: Northern regions of New Zealand

Type: Evergreen

Kauri Tree is in the form of a narrow cone with branches going out along the length of the trunk.

Its top branches form an imposing crown that stands and has a flaking bark and its seed cones are globose, with winged seeds.

Suggested Video: Largest Kauri Tree in New Zealand-

9. Kaffir Lime Tree

Scientific Name: Citrus hystrix

Family: Rutaceae

Native: Tropical Southeast Asia and Southern China

Type: Evergreen

Kaffir Lime Tree is a thorny bush with aromatic and distinctively shaped “double” leaves.

These hourglass-shaped leaves comprise the leaf blade plus a flattened, leaf-like stalk (or petiole).   

Its fruit is small, rough, green ripens to yellow, and is distinguished by its bumpy exterior.

Suggested Video: How to grow Kaffir Lime Tree-

10. Kaffir Plum Tree

Scientific Name: Harpephyllum caffrum

Family: Anacardiaceae

Native: South Africa

Type: Evergreen

Kaffir Plum is a dense tree that is compounded with sickle-shaped leaflets.

It has a thick canopy and also its leaves are reddish in color when young and turn glossy dark green as they mature.

Its fruit is fleshy/pulpy edible plum.

11. Kayaba, Kei apple, Kau apple

Scientific Name: Dovyalis caffra

Family: Salicaceae

Native: Southern Africa

Type: Evergreen

Kayaba, Kai apple, Kau apple is a tree with sharp long stem spines in the leaf axils and large sturdy thorn and has buds at the base of the spine.

Its flowers are inconspicuous, clustered, with no petals, and have edible bright yellow or orange globose berry fruit.

Suggested Video: How to grow, care  and harvest Kei Apple-

12. Koelreuteria (Genus)

Family: Sapindaceae

Native: Introduced from China

Type: Deciduous

Koelreuteria contains 3 species of genus that are erect, single trunk, crown rounded with grayish brown, brownish, conspicuous raised lenticels twigs.

Its leaves are alternate, compound with unisexual, pale yellow petals, and have three-ridged, cone-shaped papery capsuled fruit.

Hopefully, this guide has assisted you in identifying trees, starting with the letter K.

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13. Kidneywoods (Genus)

Family: Fabaceae

Native: South West U.S. to Central America

Type: Deciduous

Kidneywoods contain a genus of about 15 species of alternate, pinnately compound, terminal leaflets with small and numerous margins and small, white or faintly yellowish, bisexual, spike-like clustered flowers.

Its fruit is a small, hairless, one-seeded legume that is crowded in a spike.

14. Koeberliniaceae (Family)

Native: Arid regions in South West North America and Bolivia

Type: Deciduous

Koeberliniaceae is a crown-rounded and dense tree, forming an interlocked mass of intricately branched, thorn-tipped twigs with thin, greyish-green, smooth barks.

Its flowers are small, whitish-green, borne in small few-flowered racemes or umbels along with the twigs, and have shiny blackberry, curled, wrinkled seeds.