Yaupon Holly, also known as Yaupon, Cassina, or Christmas Berry
Kingdom: Plantae, Division: Tracheophyta, Class: Magnoliopsida, Order: Aquifoliales, Family: Aquifoliaceae, Genus: Ilex, Species: I. vomitoria · Aquifoliaceae (Holly family) · Simple, evergreen leaf
Species
Ilex vomitoria
Leaf Type
Simple, evergreen leaf
Family
Aquifoliaceae (Holly family)
Shape
Elliptical to oblong with a slightly acute apex and cuneate base
Size
Approximately 1.5 inches long and 0.75 inches wide, which is on the smaller side of the typical species range of 1 to 2 inches long
Margin
Crenate-serrate with small, rounded to slightly pointed teeth along the upper half to two-thirds of the edge
Arrangement
Alternate arrangement along the twig
Rarity
Very Common within its native southeastern United States range and frequently used in landscaping
Color & Pattern
Rich, deep green on the upper adaxial surface with a slight sheen; paler green on the lower abaxial surface. No variegation, spots, or abnormal discoloration observed
Venation Pattern
Pinnate venation with a slightly raised midrib on the lower surface and obscure lateral veins
Texture & Surface
Coriaceous (leathery) texture, glabrous (smooth) surface with a subtle semi-glossy finish on the adaxial side
Description
Yaupon Holly is a dense, multi-stemmed evergreen shrub or small tree that typically grows 10 to 20 feet tall, occasionally reaching up to 30 feet. It features smooth, light gray bark, small white flowers in spring, and bright red berries that persist through winter on female plants. The dark green, leathery leaves provide year-round interest and make it a favorite for hedging and ornamental planting
Key Features
Small, alternate, evergreen elliptical leaves with crenate-serrate margins, absence of spines on the leaf tips (unlike American Holly), and smooth rounded teeth
Habitat
Found in maritime forests, sandy coastal plains, swamp margins, and moist woods, often thriving in well-drained sandy or acidic soils under partial shade to full sun
Geographic Range
Native to the southeastern United States, ranging from southeastern Virginia south to Florida and west to Texas and Oklahoma
Condition Notes
The leaf is in excellent, healthy condition with vibrant green color, intact margins, and no visible signs of pest damage, fungal infection, or nutrient deficiency
Interesting Facts
Yaupon Holly is the only known native North American plant containing significant amounts of caffeine. Indigenous peoples used the leaves to brew a ceremonial 'black drink' for purification and council meetings. The species name 'vomitoria' is a historical misnomer, as the caffeine and other compounds alone do not induce vomiting; rather, it was the sheer volume consumed during rituals that caused purging
Medicinal & Uses
Historically used by Native Americans as a stimulant and medicinal tea due to its caffeine content. Extensively used in modern landscaping as a hardy, drought-tolerant evergreen hedge and foundation plant that easily withstands heavy pruning
Ecological Role
Provides crucial food and cover for wildlife, particularly songbirds, wild turkeys, and small mammals that consume the bright red winter berries. Serves as a nectar source for pollinators when in bloom
Similar Species
Dahoon Holly (Ilex cassine) which has larger leaves and grows in wetter habitats, and American Holly (Ilex opaca) which has larger, spiny-toothed leaves
Foraging Tips
Look for Yaupon Holly in the coastal and southeastern US in sandy woods or disturbed soils. Leaves can be harvested year-round, dried, and roasted to make a traditional caffeinated tea
Toxicity Warning
Non-toxic for humans and pets regarding the leaves and berries, though consuming large quantities of raw berries may cause mild gastrointestinal upset