Yucca gloriosa L.

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Credits

Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Yucca gloriosa' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/yucca/yucca-gloriosa/). Accessed 2020-01-19.

Genus

Glossary

capsule
Dry dehiscent fruit; formed from syncarpous ovary.
glabrous
Lacking hairs smooth. glabrescent Becoming hairless.
glaucous
Grey-blue often from superficial layer of wax (bloom).
lanceolate
Lance-shaped; broadest in middle tapering to point.
panicle
A much-branched inflorescence. paniculate Having the form of a panicle.
perianth
Calyx and corolla. Term used especially when petals and sepals are not easily distinguished from each other.

References

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Credits

Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Yucca gloriosa' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/yucca/yucca-gloriosa/). Accessed 2020-01-19.

An evergreen shrub up to 6 or 8 ft high in this country, sometimes branched, but oftener consisting of a single, thick, fleshy stem, crowned with a cluster of numerous stiff, straight, spine-tipped leaves 112 to 2 ft long, by 2 to 3 in. wide, glaucous green when young, quite glabrous. Flowers produced from July to September, crowded on an erect, narrowly conical panicle, 3 to 8 ft high, and 1 ft wide. The flowers are pendulous, creamy white, sometimes tinged with red or purple outside, the six parts of the perianth oblong-lanceolate and pointed. The fruit is an oblong capsule 2 to 212 in. long, six-ribbed; seeds glossy, 14 in. long.

Native of the coast region of eastern N. America, from S. Carolina to N.E. Florida, often on sand-dunes. It was cultivated by Gerard in his garden at Holborn late in the 16th century, and has long been a favourite in the gardens of south and western Britain. Even now, in the 20th century, gardens can show no more striking a feature than a group of plants in flower. It is closely allied to Y. recurvifolia, but easily distinguished by the straight, rigid leaves. It is not so common as that species, and although quite hardy in not being affected by frost, is apparently more subject to decay and injury by winter damp and snow. Also, as Parkinson put it, it flowers ‘now and then, but not every yeare’ and is inclined to develop its spikes so late in some seasons that the flowers fail to open.

Footnotes

Gerard obtained his plant from Thomas Edwards, an apothecary of Exeter. Its original provenance is unknown, but the likeliest guess is that it came from Roanoke Island, which had been explored in the 1580s and was the site of the first but short-lived English settlement in what is now the United States. Gerard’s plant had not flowered by the time he published his Herball, but it did so later. It died when an attempt was made to move it to another garden after his death. But he had given a propagation to Robin, the French king’s gardener. Parkinson had a plant, and gives a good account of the species in his Paradisus.


'Medio-striata'

With a whitish stripe down the centre of each leaf.

'Nobilis' ('Ellacombei')

Leaves persistently glaucous, the outer ones recurving and sometimes twisted on one side, not or scarcely ribbed. Petals red on the back. It approaches Y. recurvifolia in habit. The original plant was said by Canon Ellacombe to have been obtained from Loddiges’ nursery at Hackney by his father. It is a fine yucca, perhaps from Y. gloriosa crossed with Y. recurvifolia (Y. ellacombei Bak.; Y. gloriosa nobilis Carr.).

'Superba'

Leaves very rigid, glaucous, 2 to 2{1/4} in. wide. Panicle denser and shorter than normal. Flowers white. Bot. Reg., t. 1698 (Y. superba Haw.; Y. gloriosa var. superba (Haw.) Bak.

var. plicata (Carr.) Engelm.

Synonyms
Y. gloriosa plicata Carr

Leaves glaucous, very concave, infolded at the tips. This variety occurs in the wild.

'Variegata'

Leaves striped with dull yellow.

Y aloifolia L

Mentioned above as a parent of Y. × vomerensis, this is an arborescent yucca with a slender trunk up to 25 ft high, though usually much shorter. Leaves rigid, flat, spine-tipped, edged with horny teeth, 1 to 1{3/4} in. wide. Flowers creamy white, usually tinged with green or purple outside, borne in broad, compact panicles near to the leaves. Unlike most yuccas it does not need the pronuba moth for fertilisation of its flowers, and fruits freely in the Mediterranean region, where it is naturalised in some areas. Native of the West Indies and the southeastern USA; introduced to Europe in the 17th century. It is hardy only in the mildest parts. The var. draconis (L.) Engelm. (Y. draconis L.) is a variant with laxer, rather broad leaves. The epithet aloifolia refers to the stoutness of the leaves, resembling those of an aloe.

Y × vomerensis Sprenger

A hybrid between Y. gloriosa (pollen-parent) (not Y. recurvifolia as stated by Molon) and Y. aloifolia, raised by Karl Sprenger at Vomero near Naples early this century. Trunk as in Y. gloriosa. Leaves 2 to 2{1/2} ft long, about 1{3/4} in. wide, of thicker texture than in Y. gloriosa. Flowers pendulous, greenish white with a pink flush on the outside, borne throughout most of the length of a stem 6 to 8 ft high; panicle broad. According to Sprenger, a beautiful and vigorous yucca, flowering several times during the summer (at Vomero). It is not certain whether this hybrid is now in cultivation in Britain. No confirmation has been found for the statement that Sprenger distributed several of his hybrids as Y. × vomerensis, though it is very likely that the name was misused in other gardens for Sprenger’s productions in general.A plant under the tentative name of Y. × vomerensis ‘East Lodge Variety’ received an Award of Merit on 15 July 1941 when exhibited by W. B. Cranfield of East Lodge, Enfield Chase.

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