Greater plantain (Plantago major)

Daun sendok or greater plantain (Plantago major) is a plant species in the Plantaginaceae, annual herb with rosette leaves, 15-30 cm in diameter, oval-shaped leaves, 5-20 cm long, 4-9 cm wide, pointed tip, smooth edges, stalk and 5-9 veins along the leaf.

P. major has small, greenish-brown flowers with purple stamens, dense thorns 5-15 cm long on stems 13-15 cm high. Seeds are attached to long spikes that soar high above the leaves. Each plant can produce up to 20,000 seeds, very small and oval in shape.

Greater plantains grow in grasses and fields, along roadsides and in other areas that have been disturbed by humans. Young leaves are eaten raw, older, more fibrous leaves are boiled in stews and eaten. Mature leaves contain flexible and strong fibers for making small ropes, fishing line, stitches.

Plants contain phytochemicals allantoin, aucubin, ursolic acid, flavonoids, and asperuloside. The leaves are commonly used in traditional medicine for wounds, or insect stings. The root is used for fever and respiratory infections.

Kingdom: Plantae
Phylum: Tracheophyta
Subphylum: Angiospermae
Class: Magnoliopsida
Order: Lamiales
Family: Plantaginaceae
Tribe: Plantagineae
Genus: Plantago
Species: Plantago major
Subspecies: Plantago major ssp. intermedia, Plantago major ssp. major

Purhepecha oak (Quercus purhepecha), new species of shrub oak endemic to the state of Michoacán, Mexico

NEWS - In Mexico, several Quercus shrubby species are taxonomically very problematic including 8 taxa with similar characteristics. Now researchers report the purhepecha oak ( Quercus purhepecha De Luna-Bonilla, S. Valencia & Coombes sp. nov.) as a new tomentose shrubby white oak species with a distribution only in the Cuitzeo basin in the Trans-Mexican Volcanic Belt (TMVB). Quercus Linnaeus (1753) subdivided into 2 subgenera and 8 sections of which section Quercus (white oaks) has the widest distribution in the Americas, Asia and Europe. This section is very diverse in Mexico and Central America with phylogenomic evidence indicating recent and accelerated speciation in these regions. The number of shrubby oak species in Mexico is still uncertain. De Luna-Bonilla of the Universidad Nacional Autónoma de México and colleagues found at least 3 taxa in the TMVB, specifically Quercus frutex Trelease (1924), Quercus microphylla Née (1801) and Quercus repanda Bonpland (1809). In 2016,...

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Tekijem (Cyperus cyperoides)

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