''Dracaena braunii'' is a species of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
in the family
Asparagaceae
Asparagaceae, known as the asparagus family, is a family of flowering plants, placed in the order Asparagales of the monocots. The family name is based on the edible garden asparagus, ''Asparagus officinalis''. Those who live in the temperate c ...
. It was named after the German collector Braun, Johannes M. (1859-1893). Most plants named ''Dracaena braunii'' in cultivation are ''
Dracaena sanderiana
''Dracaena sanderiana'' is a species of flowering plant in the family Asparagaceae, native to Central Africa. It was named after the German–English gardener Henry Frederick Conrad Sander (1847–1920). The plant is commonly marketed as "lucky ...
'', a plant with flowers five times longer than those of ''D. braunii'', while the leaf base is not congested as in ''D. braunii''.
[Damen, T.H.J. Taxonomic novelties in African ''Dracaena'' (Dracaenaceae), May 2018, Blumea journal of plant taxonomy and plant geography 63(201]
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Description
Short stemmed, usually unbranched, stolon
In biology, stolons (from Latin '' stolō'', genitive ''stolōnis'' – "branch"), also known as runners, are horizontal connections between organisms. They may be part of the organism, or of its skeleton; typically, animal stolons are external s ...
iferous herb
In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...
to 10–30 cm high, forming extensive dense carpets, leaves equitant, roots bright orange-red, some plants forming dwarf shrublets to 50 cm high on grey more or less erect stems. Leaves bright to dark green and shiny above concolorous, paler and dull beneath, polymorph, sessile
Sessility, or sessile, may refer to:
* Sessility (motility), organisms which are not able to move about
* Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant
* Sessility (medicine), tumors and polyps that ...
, short and long petiolate
Petiole may refer to:
*Petiole (botany), the stalk of a leaf, attaching the blade to the stem
*Petiole (insect anatomy)
In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, a ...
leaves even on the same plant, lanceolate, smooth thin coriaceous
This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary o ...
, lamina
Lamina may refer to:
Science and technology
* Planar lamina, a two-dimensional planar closed surface with mass and density, in mathematics
* Laminar flow, (or streamline flow) occurs when a fluid flows in parallel layers, with no disruption betwee ...
to 15 cm long and 4 cm wide, leaf tip descending, gradually tapering into c. 1 cm mucro acuminate to caudate, mucro to 1 cm long, base cuneate. Pseudopetiole green, caniculate when short petiolate, furrowed on the upper side when long petiolate, gradually extend into a short sheathing base, clasping the stem for distinctly more than its circumference.
Inflorescence smooth, green below towards purple near the top, terminal, erect, spicate, to 30 cm long, bracts, 2-4, lanceolate ligulate, green with purple base, to 50 mm × 4 mm, early caducous, distally decreasing in size, flowers clustered 5–7 cm near the top the spike. Flowers white to cream, lobes pinkish purple tinged, 1-3 per fascicle, each fascicle subtended by narrowly triangular early caducous, scarious bracts c. 1 mm long, pedicel 1–2 mm long. Flower 12–19 mm long, lobes longer then the tube, reflexed. Flowers with a faint sweet smell. Fruits orange to red, 1-3 lobed, lobes globose
A sphere () is a geometrical object that is a three-dimensional analogue to a two-dimensional circle. A sphere is the set of points that are all at the same distance from a given point in three-dimensional space.. That given point is the ce ...
to ellipsoid, diverging, c. 12 mm × 10 mm, subsessile.[
]
Distribution and habitat
''Dracaena braunii'' is native to Cameroon
Cameroon (; french: Cameroun, ff, Kamerun), officially the Republic of Cameroon (french: République du Cameroun, links=no), is a country in west-central Africa. It is bordered by Nigeria to the west and north; Chad to the northeast; the C ...
, Equatorial Guinea
Equatorial Guinea ( es, Guinea Ecuatorial; french: Guinée équatoriale; pt, Guiné Equatorial), officially the Republic of Equatorial Guinea ( es, link=no, República de Guinea Ecuatorial, french: link=no, République de Guinée équatoria ...
, Gabon
Gabon (; ; snq, Ngabu), officially the Gabonese Republic (french: République gabonaise), is a country on the west coast of Central Africa. Located on the equator, it is bordered by Equatorial Guinea to the northwest, Cameroon to the north ...
and the Republic of the Congo
The Republic of the Congo (french: République du Congo, ln, Republíki ya Kongó), also known as Congo-Brazzaville, the Congo Republic or simply either Congo or the Congo, is a country located in the western coast of Central Africa to the w ...
. It is found at the edge of coastal forests and the transition between mangrove and savannah, in shade, laterite to sandy soil, also on rocks, tolerating sea spray from the surf, at altitudes of 0–20 m.[
]
See also
*
*
References
{{Taxonbar, from1=Q31318
Flora of Cameroon
House plants
braunii