梦桑阁

Echeveria runyonii 鲁氏 (和特玉莲)

原文:http://www.crassulaceae.ch/index.php?TPL=10122&x270_id=1898
翻译:Qiuhan

一切权利属于英文原作者,转载请注明原文链接和译者。译者是植物学白痴,欢迎勘误。



Echeveria runyonii Rose ex Walther, 1935
鲁氏石莲花

(ex之前还是之后的那个人是更新的我忘记了)

Synonym : Echeveria runyonii var.macabeana
异名:Echeveria runyonii var.macabeana

Series Pruinosae
Pruinosae系

Distribution: Mexico (Tamaulipas)
分布于:墨西哥的Tamaulipas

Description (according to IHSP, 2003) :
描述(根据2003年IHSP):

Stem usually single, to 10 cm long or more, ± 1 cm in diameter.
茎部:通常单枝,可达10cm甚至更高,直径1cm左右。

Rosette 8 – 10 cm in diameter.
莲座:直径8-10cm。

Leaves spatulate-cuneate to oblong-spatulate, truncate to acuminate, mucronate, 6 – 8 x 2,5 – 4 cm, glaucous pinkish-white.
叶:铲形-楔形到椭圆形-铲形,顶端截面-渐尖,有短尖,6-8cm长,2.5-4cm宽,被霜为淡粉色-白色。

Inflorescences 2 or more, 15 - 20 cm tall, with 2 – 3 cincinni, bracts conspicuous, pedicels ± 4 mm.
花序:2根或更多,15-20cm高,上有2-3根蝎尾状聚伞花序,苞叶明显,花梗4mm左右。

Flowers : Sepals ascending-spreading to 11 mm, corolla pentagonal, 19 – 20 x 10 mm in diameter, scarlet.
花:萼片竖直或摊开,可达11mm;花冠为五边形,19-20mm高,10mm直径,猩红色。

Cytology : n = 14
染色体:n=14


Note :
请注意:

1. According to E. Walther Echeveria runyonii has been found in a garden at Matamoras, Tamaulipas, Mexico, as a cultivated plant, and no habitat was known. The indication in IHSP of Nuevo León as distribution region is wrong.
1. 根据E. Walther所言,鲁氏石莲花被发现于墨西哥Tamaulipas的一座花园里,是一种用于园艺的植物,自然栖息地不明。这意味着IHSP中说其分布于Nuevo León是错的。

As a footnote M. Kimnach adds that "it has recently been found wild in Nuevo León" – this is also not correct, it has recently been collected wild in Tamaulipas.
M. Kimnach对此有一段脚注,是说"最近在Nuevo León发现了野生植株"——这也不对,野生植株最近是在Tamaulipas收集到的。

This means that most likely there is no E. runyonii in Nuevo León.
Nuevo León很可能根本就没有鲁氏石莲花。

Also the former var. macabeana is only known from cultivation.
而且之前的变种macabeana也只在园艺中现身。
(译者注:意为没有相对独立的野生栖息地所以不能称之为var.)


2. Several cultivars of this species has been named, e.g. 'Texas Rose', 'Dr. Butterfield', 'Lucita', 'Tom Allen' (Australia).  These plants are not conspicuously different from E. runyonii and the names may well be just nursery names for plants either not recognized as the species or renamed for the sake of listing a new name in a catalogue. To our knowledge none of these cultivars has been described or defined, so it is not even clear whether the above mentioned names are applied properly.  Moreover from leaf you can get any of those forms, even 2 leaf shapes growing off one leaf, and at any time they can turn into 'Topsy Turvy'.
2. 这个物种有一些园艺品种流传,比如'Texas Rose', 'Dr. Butterfield', 'Lucita', 'Tom Allen' (澳大利亚)等。这些品种和鲁氏都没有显著的不同,可能只是一些苗圃起的名字罢了,这些植株要么是没有被认出是鲁氏,要么是因为想在商品目录里多几个名字而瞎改名的。就我们所知,这些品种无一曾被详细地描述或定义过,所以这些名字是否合适都还两说。此外,这些形态通过叶插都可以得到,而且样子不同的两片叶子完全可能插出同样的植株,同时它们随时都可能变成特玉莲。

Therefore these names are not taken into account here.
因此这些名字不在本文的考虑范围之内。

(译者注:无论是ssp. var. f.还是cultivar,必须1.特征显著 2.特征稳定,两个条件缺一不可,市面上贩卖的许多所谓"品种"实际上都是nursery name,即苗圃和大棚出于商业目的而起的艺名(咦?),说没有被描述/定义因此不正规是一方面,二是可能养着养着发现换个环境就不是那么回事儿了,且连无性繁殖都未必能够得到相似的后代,即所谓的特征不稳定。倒不是说这样就没有价值,毕竟喜欢大于一切/千金难买我高兴,但掏钱的时候要考虑清楚)



Photo Emmanuelle Aubé


Plant James Barry Slabbert, South Africa


Photos Jacquie Koutsoudis


Echeveria runyonii San Carlos, Tamaulipas
在Tamaulipas的San Carlos的鲁氏:




Photos Rudolf Zacher



Photo Margrit Bischofberger


An interesting mutation, with leaves appearing to be positioned upside-down, is E. runyonii 'Topsy Turvy' which originated in cultivation in California. Very often the flowers are heavily distorted and more rarely even the flower stalk is fasciated :
一种有趣的变异,叶子反折向下,这就是特玉莲,是在加利福尼亚的人工养殖中出现的。通常它连花都是畸形的,偶尔连花柄都是扁的:




Photos Bouke Clement



Photos Margrit Bischofberger





Photos Rudolf Zacher



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