Emmenopterys henryi

Emmenopterys henryi
Emmenopterys henryi , deciduous leaves and inflorescences
Systematics
Asterids Euasterids I Order : Enzianartige (Gentianales) Family : Red family (Rubiaceae) Genre : Emmenopterys Type : Emmenopterys henryi
Scientific name of the  genus
Emmenopterys
Olive.
Scientific name of the  species
Emmenopterys henryi
Olive.

Emmenopterys henryi is the only plant species of the genus Emmenopterys within the family of the Rubiaceae (Rubiaceae). She comes from southern China.

description

Emmenopterys henryi is an unreinforced, deciduous tree that reaches heights of up to 25 meters. The leaves are leathery and petiolate. The stipules are shed over time.

The flowers appear between June and August. The flowers are in terminal, umbrella-like inflorescences, at least one of the flowers of an inflorescence is accompanied by a white, foliage-like, persistent bract . The hermaphrodite flowers are fivefold. The chalice is ciliated and is thrown off. The five petals are white. The stylus is thread-shaped.

The woody capsule fruits contain a large number of seeds. The fine seeds are winged like a net. The fruits ripen between July and September.

The number of chromosomes is 2n = 76.

Occurrence

Emmenopterys henryi occurs in forests in southern and central China.

cultivation

In Europe there are few large specimens in some arboretums . It is sold in a few Dutch and German tree nurseries. The first copy was introduced in Europe in 1907. The first bloom in Europe was in 1971 in the arboretum of Villa Taranto on Lake Maggiore . The apparently first bloom in Germany began in July 2018 on Herford's city ​​wall in a private garden, as well as in the Arboretum Kalmthout in Belgium, where a 6 m high scaffold was built especially for the public.

proof

literature

• Rubiaceae . In: Albert N. Steward: Manual of vascular plants of the lower Yangtze Valley, China. Oregon State College Corvallis, 1958.

Individual evidence

1. ↑ Emmenopterys henryi at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
2. ↑ Website of the Villa Taranto ( Memento of the original from April 8, 2009 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. 
3. ^ Moritz Winde: "The beautiful Henryi", in: Herford Kreisblatt , Westfalen-Blatt, 4th / 5th. August 2018, volume 174, number 179/2018, Herford newspaper , page 2 (unpaginated).
4. ↑ Frank-Michael Kiel-Steinkamp: "Unique in Germany: A Chinese tree blooms in a Herford garden", in: Neue Westfälische , online, August 6, 2018.

Web links

Commons : Emmenopterys henryi  - collection of images, videos and audio files

• Description on the Quarryhill Botanical Garden website.