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Stenanthemum
''Stenanthemum'' is a genus of flowering plants family Rhamnaceae and is endemic to Australia. Plants in the genus ''Stenanthemum'' are small shrubs usually lacking spines. The leaves are arranged alternately along the branches, simple, usually folded in half lengthwise on a short petiole. The flowers are arranged in dense heads, usually on the ends of branches with bracts at the base of the flowers, and there are sometimes whitish floral leaves. The flowers are bisexual, more or less sessile and have five sepals, five petals and a tube-shaped hypanthium, the petals hooded over the stamens. The fruit is a schizocarp containing spotted or mottled seeds. Taxonomy The genus ''Stenanthemum'' was first formally described in 1858 by Siegfried Reissek in the journal ''Linnaea''. The genus name means "narrow flower". List of species The following is a list of species of ''Stenanthemum'' accepted by the Australian Plant Census as at November 2022: *'' Stenanthemum arens'' (S.A.) *' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stenanthemum Leucophractum
''Stenanthemum leucophractum'', commonly known as rusty poison, white cryptandra or white stenanthemum, is a species of flowering plant in the family Rhamnaceae and is endemic to south-eastern continental Australia. It is a spreading shrub or subshrub with softly-hairy young stems, egg-shaped to fan-shaped leaves and heads of white or yellowish flowers surrounded by white, felt-like floral leaves. Description ''Stenanthemum leucophractum'' is a soft, spreading shrub or subshrub that typically grows to a height of , its branchlets covered with woolly, rust-coloured hairs. Its leaves are egg-shaped to heart-shaped with the narrower end towards the base, to spatula-shaped, long and wide, with linear stipules long and joined together at the base. Both surfaces of the leaves are covered with whitish or rust-coloured hairs. The flowers are white or yellowish, and arranged in sessile heads wide, surrounded by small brown bracts and 2 or more whitish, felt-like floral leaves. The f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stenanthemum Nanum
''Stenanthemum nanum'' is a species of flowering plant in the family Rhamnaceae and is endemic to the south-west of Western Australia. It is a prostrate shrub with hairy young stems, broadly egg-shaped leaves with the narrower end towards the base, and densely silvery-hairy heads of white or cream-coloured flowers. Description ''Stenanthemum nanum'' is a spreading, more or less prostrate shrub that typically grows to a height of up to , its young stems covered with straight and star-shaped hairs. Its leaves are broadly egg-shaped to egg-shaped with the narrower end towards the base, long and wide on a hairy petiole long, with stipules joined together for their lower one-third. There are two teeth on each side of the end of the leaf and the lower surface is densely covered with straight and star-shaped hairs. The flowers are white or cream-coloured and arranged in clusters of 5 to 15, wide, surrounded by broadly egg-shaped bracts long. The floral tube is long and densely ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stenanthemum Complicatum
''Stenanthemum complicatum'' is a species of flowering plant in the family Rhamnaceae and is endemic to the southwest of Western Australia. It is a woody, erect or straggling shrub with densely hairy young stems, broadly egg-shaped leaves and densely woolly-hairy heads of tube-shaped flowers. Description ''Stenanthemum complicatum'' is a woody, erect or straggling shrub that typically grows to a height of , its young stems densely covered with soft, rust-coloured hairs. Its leaves are broadly egg-shaped with the narrower end towards the base, mostly long and wide on a petiole long, with triangular stipules long at the base. The upper surface of the leaves is covered with greyish, velvety hairs and the lower surface is densely covered with greyish or rust-covered hairs. The flowers are densely covered with woolly white hairs and borne in groups of 10 to 50, up to wide. The floral tube is long and wide, the sepals long and the petals long. Flowering occurs from August to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stenanthemum Argenteum
''Stenanthemum argenteum'' is a species of flowering plant in the family Rhamnaceae and is endemic to a restricted part of Queensland. It is a shrub with hairy branches, lance-shaped to egg-shaped leaves with the narrower end towards the base, and heads of about seven hairy white, tube-shaped flowers. Description ''Stenanthemum argenteum'' is a shrub that typically grows to a height of and has its branches covered with silvery hairs. Its leaves are lance-shaped to egg-shaped with the narrower end toards the base, long and wide on a petiole long, with narrowly triangular stipules long at the base. The upper surface of the leaves is glabrous and the lower surface is densely covered with silvery hairs pressed against the surface. The flowers are borne in groups of 5 to 10 about wide, surrounded by 3 floral bracts and one or two densely hairy floral leaves. The floral tube is long, the sepals white to creamy-white and joined to form a hairy, cylindrical to urn-shaped tube ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stenanthemum Emarginatum (15248678859)
''Stenanthemum emarginatum'' is a species of flowering plant in the family Rhamnaceae and is endemic to the southwest of Western Australia. It is a spreading to prostrate shrub with sparsely hairy young stems, narrowly fan-shaped to linear leaves and densely, shaggy-hairy heads of white or cream-coloured flowers. Description ''Stenanthemum emarginatum'' is a spreading to prostrate shrub that typically grows to a height of , its young stems sparsely hairy. Its leaves are narrowly fan-shaped to linear, long and mostly wide on a petiole long, with triangular stipules long and joined together at the base. The upper surface of the leaves is glabrous and the lower surface is covered with shaggy, silvery hairs. The flowers are sparsely to densely covered with shaggy, greyish hairs. The floral tube is long and wide, the sepals long and the petals long. Flowering occurs in November and December, and the fruit is long. Taxonomy and naming ''Stenanthemum emarginatum'' was first ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stenanthemum Divaricatum
''Stenanthemum divaricatum'' is a species of flowering plant in the family Rhamnaceae and is endemic to the southwest of Western Australia. It is a small, often spiny shrub with sparsely hairy young stems, fan-shaped to narrowly egg-shaped leaves and densely, softly-hairy heads of tube-shaped flowers. Description ''Stenanthemum divaricatum'' is an often spiny shrub that typically grows to a height of up to and has many branches, its young stems sparsely covered with soft, greyish hairs. Its leaves are fan-shaped to narrowly egg-shaped with the narrower end towards the base, mostly long and wide on a petiole long, with broadly triangular to rectangular stipules long and joined together at the base. The upper surface of the leaves is glabrous and the lower surface is covered with soft, greyish hairs. The flowers are moderately to densely covered with soft, greyish hairs. The floral tube is long and wide, the sepals long and the petals long. Flowering occurs in August and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stenanthemum Coronatum
''Stenanthemum coronatum'' is a species of flowering plant in the family Rhamnaceae and is endemic to the southwest of Western Australia. It is a prostrate shrub with sparsely hairy young stems, broadly egg-shaped leaves and densely shaggy-hairy heads of tube-shaped flowers. Description ''Stenanthemum coronatum'' is a prostrate shrub that typically grows to high and wide, its young stems sparsely covered with star-shaped hairs. Its leaves are broadly egg-shaped with the narrower end toards the base, long and wide on a petiole long, with narrowly triangular stipules long and fused together. There is a deep notch at the tip of the leaves with a sharp point on each side of the notch. The flowers are creamy-white and densely covered with shaggy white hairs, the floral tube about long and wide, the sepals long and the petals about long. Flowering occurs from September to November, and the fruit is long. Taxonomy and naming This species was first formally described in 184 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stenanthemum Bremerense
''Stenanthemum bremerense'' is a species of flowering plant in the family Rhamnaceae and is endemic to the southwest of Western Australia. It is an erect, or low spreading shrub with hairy young stems, broadly egg-shaped leaves and densely hairy heads of tube-shaped flowers, sometimes with whitish floral leaves. Description ''Stenanthemum bremerense'' is an erect, or low, spreading shrub that typically grows to a height of , its young stems densely covered with rust-coloured hairs. Its leaves are broadly egg-shaped with the narrower end towards the base, long and wide on a petiole long, with triangular stipules long at the base. The upper surface of the leaves is minutely pimply, and the lower surface is densely covered with greyish, star-shaped hairs. The leaves are mostly folded lengthwise. The flowers are densely hairy and borne in groups wide sometimes surrounded by whitish flower leaves. The floral tube is long and wide, the sepals long and the petals long. Flower ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stenanthemum Centrale
''Stenanthemum centrale'' is a species of flowering plant in the family Rhamnaceae and is endemic to the Northern Territory of Australia. It is a woody shrub with egg-shaped leaves, the narrower end towards the base and dense, yellowish heads of 10 to 40 tube-shaped flowers, sometimes with whitish floral leaves. Description ''Stenanthemum centrale'' is a woody shrub that typically grows to a height of , its young stems densely covered with soft, greyish hairs. Its leaves are egg-shaped to broadly egg-shaped, the narrower end toards the base, long and wide on a petiole long, with narrowly triangular stipules long at the base. Both surfaces of the leaves are densely covered with shaggy, greyish, star-shaped hairs. The flowers are borne in groups of 10 to 40, wide with hairy, egg-shaped to triangular bracts long and sometimes surrounded by whitish floral leaves. The flowers are sessile, the floral tube long and wide. The sepals are densely hairy and long, the petals lon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stenanthemum Arens
''Stenanthemum arens'' is a species of flowering plant in the family Rhamnaceae and is endemic to South Australia. It is a twiggy shrub with broadly egg-shaped to almost circular leaves and heads of 10 to 20 silky-hairy white, tube-shaped flowers, usually with whitish floral leaves. Description ''Stenanthemum arens'' is a twiggy shrub, its young stems covered with soft or shaggy, greyish or rust-coloured hairs. Its leaves are broadly egg-shaped with the narrower end toards the base, or almost round, long and wide on a petiole long, with narrowly triangular to linear stipules long at the base. Both surfaces of the leaves are covered with greyish, star-shaped hairs. The leaves are often folded lengthwise. The flowers are borne in groups of 10 to 20 up to wide with bracts long and surrounded by whitish flower leaves. Each flower is on a shaggy-hair pedicel up to long. The floral tube is long and wide, the sepals long and the petals long. Flowering has been observed in J ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
