Hylotelephium
Red Stonecrop ( Hylotelephium telephium )
Hylotelephium is a genus of flowering plants in the family Crassulaceae ( Crassulaceae ). The botanical name of the genus is derived from the Greek words " ύλη " ( hyle ) for forest and " τηλέφιον " ( telephion ), a common name for some of the growing in open forests types, from.
Description
The species of the genus Hylotelephium are perennial, herbaceous, succulent plants, usually with a fleshy turnip -like root stock. Some Asian species have fibrous roots or wood. Their broad, flat, thick herbaceous leaves are ungespornt and are arranged alternately or opposite or form whorls of three to five leaves.
The flowering stem appears from adventitious buds of the rootstock or from the basal nodes of the flowering shoots of the previous year. The flowering shoots are usually covered with numerous leaves. Some species form of additional sterile shoots. The Vielblütige, dense inflorescence is terminal and consists of composite cymes, which are composed of or rispiger or doldig - ebenstäußiger form. The flowers are hermaphroditic, stalked and obdiplostemon. You are fünfzählig usually and rarely cruciform. Her green sepals are somewhat fleshy and fused at their base only slightly with each other. The membranous petals are free and always longer than the sepals. The stamens are opposite the petals and are fused at the base with them. Their stamens are not papillose, the anthers are basifix (ie fused at the base with the stamens ). The small Nektarschüppchen are usually bright yellow. The carpels are free, stalked at the base and not bulge on the ventral side. Your placenta is at margins, their anatropen ovules are slightly ellipsoidal. The slim stylus is always shorter than the ovary.
The fruit is an erect, vielsamige follicle. The seeds contained therein are cylindrical and about a millimeter in size. Your brown seed coat is fragile and tiny vertical stripes.
Systematics and distribution
The genus Hylotelephium is in Europe, spread in the Caucasus, Siberia, East Asia and North America.
The types of sedum telephium group were for a time ( Sedum sect. Telephium Gray) as a section and later as a subgenus (Sedum subgen. Telephium (Gray) RTClausen ) of the genus Sedum out. 1977 created Hideaki Ohba ( * 1943 ) due to the differently constructed ovary and other morphological features of the genus Hylotelephium and ordered her 28 species of the genus Sedum to.
After Hideaki Ohba the genus Hylotelephium is divided into three section with the following types:
- Section Hylotelephium Hylotelephium angustum ( Maxim. ) H. Ohba
- Hylotelephium bonnafousii ( Raym. - Hamet ) H. Ohba
- Hylotelephium callichromum H. Ohba
- Hylotelephium caucasicum ( Grossh. ) H. Ohba ( syn. Sedum caucasicum ( Grossh. ) Boriss. ), Origin: Turkey, Caucasus, Iran
- Hylotelephium erythrostictum ( Miq. ) H. Ohba
- Ewers stonecrop ( Hylotelephium ewersii ( Ledeb. ) H. Ohba; Syn. Sedum ewersii Ledeb ), Origin: Siberia, Central Asia, Mongolia, China ( Xinjiang ), Himalayas, Afghanistan
- Hylotelephium mingjinianum ( S.H. Fu ) H. Ohba
- Hylotelephium pallescens ( Freyn ) H. Ohba
- Hylotelephium sordidum ( Maxim. ) H. Ohba, with the varieties: Hylotelephium sordidum var oishii ( Ohwi ) H. Ohba & M. Amano
- Hylotelephium sordidum var sordidum
- Mountain stonecrop ( Hylotelephium telephium subsp fabaria ( WDJ Koch) H. Ohba; Syn. Sedum fabaria WDJ Koch)
- Big fat hen ( Hylotelephium telephium subsp maximum ( L.) Ohba; Syn. Sedum maximum ( L.) Hoffmann)
- High fat hen ( Hylotelephium telephium subsp ruprechtii ( Jalas ) H. Ohba; Syn. Telephium Sedum L. subsp ruprechtii Jalas. )
- Purple Stonecrop ( Hylotelephium telephium (L.) H. Ohba subsp telephium; Syn: .. Telephium Sedum L. subsp telephium; Sedum purpureum (L.) Link )
- Hylotelephium ussuriense var tsugaruense (H. Hara ) H. Ohba
- Hylotelephium ussuriense var ussuriense
- Hylotelephium verticillatum var verticillatum
- Section Sieboldia ( H.Ohba ) H.Ohba Round-leaved stonecrop ( Hylotelephium Anacampseros (L.) H. Ohba; syn. Sedum Anacampseros L.), Origin: Mountains of Europe
- Hylotelephium cauticola ( Praeger ) H. Ohba ( syn. Sedum cauticola Praeger ), Origin: Japan
- Hylotelephium cyaneum ( Rudolph) H. Ohba ( syn. Sedum cyaneum Rudolph); Home: Eastern Siberia, Amur, Sakhalin, Kamchatka
- Hylotelephium pluricaule H. Ohba ( syn. Sedum pluricaule Kudo ), Origin: Amur, Sakhalin, Japan
- Siebold Stonecrop ( Hylotelephium sieboldii (Regel) H. Ohba ), Origin: Japan, with the varieties: Var Hylotelephium sieboldii chinense H. Ohba
- Hylotelephium sieboldii var ettyuense ( Tomida ) H. Ohba
- Hylotelephium sieboldii var sieboldii
- Section Populisedum ( A.Berger ) H.Ohba Dwarf shrub stonecrop ( Hylotelephium populifolium ( Pall. ) H. Ohba; syn. Sedum populifolium Pall. ); Home: Siberia
In addition, there are the hybrids Hylotelephium × furusei H. Ohba.
Use
Many species of the genus are used as ornamental plants and are frost hardy. They are ideal plants for USDA climate zones 3 to 5