Friday, September 17, 2021

Family | Rubiaceae

Gentianales is an order of flowering plants, included within the asterid clade of eudicots. It comprises more than 20,000 species in about 1,200 genera in 5 families.[1] More than 80% of the species in this order belong to the family Rubiaceae.

The Madder family, Rubiaceae, includes family members Pentas, Gardenias, Coffea (coffee), Cinchona (the source of quinine), and dyer's madder (used to make red dye).

PENTA



Pentas is a genus of flowering plants in the family Rubiaceae. The genus is found in tropical and southern Africa, the ComorosMadagascar, and the Arabian Peninsula.


The plants have hairy green leaves and clusters of flowers in shades of red, white, pink, and purple. Pentas are attractive to butterflies and hummingbirds.

  

Pentas lanceolata, commonly known as Egyptian starcluster, is a species of flowering plant in the madder family, Rubiaceae that is native to much of Africa as well as Yemen. It is known for its wide use as a garden plant where it often accompanies butterfly gardens.


Cephalanthus

Common buttonbush (Cephalanthus occidentalisgrows well in a sandy, wet environment. 

Cephalanthus occidentalis is a species of flowering plant in the family Rubiaceae, that is native to eastern and southern North America. Common names include buttonbushcommon buttonbushbutton-willow and honey-bells.

Common buttonbush (Cephalanthus occidentalis)

Cephalanthus occidentalis is a deciduous shrub or small tree that averages 1–3 m (3.3–9.8 ft) in height, but can reach 6 m (20 ft). The leaves are opposite or in whorls of three, elliptic to ovate, 7–18 cm (2.8–7.1 in) long and 4–10 cm (1.6–3.9 in) broad, with a smooth edge and a short petiole. The flowers are arranged in a dense spherical inflorescence 2–3.5 cm (0.79–1.38 in) in diameter on a short peduncle. Each flower has a fused white to pale yellow four-lobed corolla forming a long slender tube connecting to the sepals. The stigma protrudes slightly from the corolla. The fruit is a spherical cluster of achenes (nutlets).


The fiery skipper (Hylephila phyleus) on button bush


˂˂ Common buttonbush contains the poison CEPHALATHIN. Cephalathin will induce vomiting, paralysis, and convulsions if ingested.  ˃˃                                                                                                                                                                  

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