Plants named in 1765

The lemon (Citrus × limon) is a species of small evergreen tree in the Citrus genus of the flowering plant family Rutaceae. A true lemon is a hybrid of the citron and the bitter orange. Its origins are uncertain, but some evidence suggests lemons originated during the 1st millennium BC in what is now northeastern India. Some other citrus fruits are called lemon. The yellow fruit of the lemon tree is used throughout the world, primarily for its juice. The pulp and rind are used in cooking and baking. The juice of the lemon is about 5–6% citric acid, giving it a sour taste. This makes it a key

Crocus vernus (spring crocus, giant crocus) is a species of flowering plant in the family Iridaceae, native to the Alps, the Pyrenees, and the Balkans. Its cultivars and those of Crocus flavus (Dutch crocus) are used as ornamental plants. The Dutch crocuses are larger than the other cultivated crocus species (e.g., Crocus chrysanthus). Depending on the year, Crocus vernus starts flowering about the same time or up to 2 weeks after Crocus chrysanthus (snow crocus) starts flowering. Height: 4–6 inches (10–15 cm).

Primula elatior, the oxlip (or true oxlip), is a species of flowering plant in the family Primulaceae, native to nutrient-poor and calcium-rich damp woods and meadows throughout Europe, with northern borders in Denmark and southern parts of Sweden, eastwards to the Altai Mountains and on the Kola Peninsula in Russia, and westwards in the British Isles.

Oxyria is a genus of flowering plants in the family Polygonaceae with three accepted species. It has a circumboreal distribution in the northern hemisphere.

Scleria is a genus of flowering plants in the sedge family, Cyperaceae. They are known commonly as nutrushes. They are distributed throughout the tropics, and some species have ranges extending into temperate areas. There are about 200 species.

Farsetia is a genus of flowering plants in the family Brassicaceae. It includes 28 species native to northern, west-central, and Eastern Africa, the Arabian Peninsula, Western Asia, Pakistan, and India.

Echinops spinosissimus, the spiny globe thistle, is a European species of plant in the tribe Cardueae within the family Asteraceae. It is native to southeastern Europe (Sicily, Apulia, Greece, Albania, and the western Balkans), northern Africa, and southwest Asia as far east as Iran. Echinops spinosissimus is a branching perennial herb up to 80 cm (2 feet) tall. Leaves are divided into narrow triangular lobes, each with a slender but hard spine at the tip. The plant produces nearly spherical flower heads containing many white or pale lavender disc florets but no ray florets. Subspecies

Hypericum triquetrifolium, commonly called curled-leaved St. John's-wort, is a species of plant of the family Hypericaceae. It is native to the Mediterranean Basin.

Centaurea uniflora, the singleflower knapweed, is a perennial herbaceous plant belonging to the genus Centaurea of the family Asteraceae.

Bupleurum baldense, the small hare's ear, is a plant species of the genus Bupleurum.

Arundo plinii is a species of herb in the family Poaceae (True grasses).

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Circaea canadensis, known as eastern enchanter's nightshade, Canada enchanter's nightshade, broad-leaved enchanter's nightshade, is a perennial herbaceous plant found in forests of eastern North America. It is very similar to its sister species, Circaea lutetiana, and was formerly considered conspecific (part of the same species).

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