Which genus has more species, Buddleja or Koelreuteria?
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Buddleja Buddleja, or Buddleia (also historically given as "Buddlea"), commonly known as the butterfly bush, is a genus comprising over 140 species of flowering plants endemic to Asia, Africa, and the Americas. The generic name bestowed by Linnaeus posthumously honoured the Reverend Adam Buddle (1662–1715), an English botanist and rector, at the suggestion of Dr. William Houstoun. Houstoun sent the first plants to become known to science as buddleja ("B. americana") to England from the Caribbean about 15 years after Buddle's death.
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Koelreuteria Koelreuteria is a genus of three species of flowering plants in the family Sapindaceae, native to southern and eastern Asia.
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Buddleja davidii 'Flaming Violet' Buddleja davidii 'Flaming Violet' is an old American cultivar raised by Paul Schmidt at Youngstown, Ohio, and patented in 1942.
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Buddleja americana Buddleja americana is the most widespread of all the "Buddleja" species native to the Americas, its range extending south from Tamaulipas, Mexico, through Central America and much of the West Indies into South America, reaching eastward to Venezuela, westward as far as the Galapagos, and south to Bolivia. It occurs at elevations from sea level to 2500 m, in a variety of habitats, including cloud forest, mountain savanna, pine - oak forest, and rocky slopes near rivers. It also invades fields and roadsides.
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Buddleja davidii 'Miss Ellen' Buddleja davidii 'Miss Ellen' is a cultivar raised by Steve Thomas of the Greene Hill Nursery, Georgia, USA.
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Koelreuteria elegans Koelreuteria elegans, more commonly known as flamegold or Taiwanese rain tree, is a deciduous tree 15–17 metres tall endemic to Taiwan. It is widely grown throughout the tropics and sub-tropical parts of the world as a street tree.
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Buddleja davidii 'Cardinal' Buddleja davidii 'Cardinal' is a Dutch cultivar, from the Ebben Nursery at Cuijk in North Brabant, raised by colchicine inducement from 'Royal Red'.
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Klarobelia Klarobelia is a genus of flowering plants in the family Annonaceae. There are about 12 species.
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Brexia Brexia is a dense evergreen shrub or small tree of usually around 5  m high, with alternately set, simple, leathery leaves with a short leaf stem and lanceolate to inverted egg-shaped leaf blades. The pentamerous flowers occur in cymes. The petals are greenish white, the samens are alternating with wide, incised staminodes. The superior ovary develops in a long ribbed fruit. "Brexia" naturally grows on the coast of East Africa, on Madagascar, the Comoros and Seychelles. Opinions differ about the number of species in "Brexia". Sometimes the genus is regarded monotypic, "B. madagascariensis" being a species with a large variability, but other authors distinguish as many as twelve species. Common names for "B. madagascariensis" include jobiapototra, tsimiranjana, tsivavena, vahilava, voalava, voankatanana, voantalanina, voatalanina and votalanina (all Malagasy), and mfukufuku (Swahili), mfurugudu (Shambala, Tanzania) and bwa kato (Seychelles).
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Buddleja davidii 'Niche's Choice' Buddleja davidii 'Niche's Choice' is a cultivar raised and introduced by Niche Gardens, Chapel Hill, North Carolina, USA.
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Buddleja davidii 'SMBDPB' = Merry Magic Orchid is an American cultivar raised by the Spring Meadow Nursery Inc. of Grand Haven, Michigan, and introduced to commerce in 2012. Patent has been applied for.
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Buddleja × weyeriana 'Sungold' Buddleja × weyeriana 'Sungold' is a cultivar which arose as a sport of 'Golden Glow' at the nursery of P. G. Zwijnenburg in the Netherlands during the 1960s. 'Sungold' was accorded the Royal Horticultural Society Award of Garden Merit (record 690)  in 1993, reaffirmed in 2010. A particularly floriferous specimen of 'Sungold' was introduced to the USA from Scotland by Mike Dirr in 1995, and propagated there as 'Honeycomb'; it later came top in the public poll of 57 Buddleja species and cultivars conducted by the University of Georgia in 1997.
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Buddleja davidii 'Gary William' Buddleja davidii 'Gary William' is a French introduction, raised by the Le Jardin de Rochevieille, Viviers, near Montelimar.
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Caliphruria Caliphruria is a genus of herbaceous, perennial and bulbous plants in the Amaryllis family (Amaryllidaceae, subfamily Amaryllidoideae.) The four species grow in tropical areas of South America, with three endemic to Colombia, but are rare in the wild. This genus is closely related with the genera "Eucharis" and "Urceolina," all of them known colloquially as "Amazon Lilies".
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Buddleja 'Violet Eyes' Buddleja 'Violet Eyes' is an American hybrid cultivar raised by Mike Dirr at the Center for Applied Nursery Research, University of Georgia, from the crossing "B. davidii" × "B. × weyeriana" 'Honeycomb' × "B. lindleyana".
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Streptolirion Streptolirion is a genus of climbing monocotyledonous flowering plants in the dayflower family. It consists of a single species, namely Streptolirion volubile. It has a broad distribution in Asia, from China's western Hubei Province as well as the Russian Far East, Korea and Japan in the northeast, south to Vietnam and west to India. Currently two subspecies are accepted: "S. volubile" subsp. "volubile" and "S. volubile" subsp. "khasianum", with the latter being a stronger climber covered with erect brown hairs. "Streptolirion" can be distinguished from the closely related climber "Spatholirion" by the former's two-seeded carpels and inflorescences that are all subtended by large involucral bracts. They bear yellow hairs below the anthers, which are believed to increase floral attraction by contrasting with the petals or suggesting additional pollen is present. Despite the large range, an analysis of chromosomes found major differences between Japanese and Indian populations, suggesting that additional species may be yet unrecognized.
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Buddleja davidii 'SMBDPL' = Merry Magic Purple is an American cultivar raised by the Spring Meadow Nursery Inc. of Grand Haven, Michigan, and introduced to commerce in 2012. Patent has been applied for.
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Buddleja delavayi Buddleja delavayi is a Chinese species discovered by Forrest in the Tali Range above Dali (2000 – 2500 m elevation), Yunnan, in 1910; it is also found in Xizang (Tibet). The species was named for l'Abbé Delavay, the French missionary and plant collector, by Gagnepain in 1912. The shrub is of interest to the botanist because of its unique (within the genus) resting buds and the different types of inflorescence produced through the year.
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Neoregelia 'Kore' 'Kore' is a hybrid cultivar of the genus "Neoregelia" in the Bromeliad family.
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Neoregelia 'Midnight' 'Midnight' is a hybrid cultivar of the genus "Neoregelia" in the Bromeliad family.
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Hawaiian lobelioids The Hawaiian lobelioids are a group of flowering plants in the bellflower family, Campanulaceae, all of which are endemic to the Hawaiian Islands. This is the largest plant radiation in the Hawaiian Islands, and indeed the largest on any island archipelago, with over 125 species. The six genera can be broadly separated based on growth habit: "Clermontia" are typically branched shrubs or small trees, up to 7 m tall, with fleshy fruits; "Cyanea" and "Delissea" are typically unbranched or branching only at the base, with a cluster of relatively broad leaves at the apex and fleshy fruits; "Lobelia" and "Trematolobelia" have long thin leaves down a single, non-woody stem and capsular fruits with wind-dispersed seeds; and the peculiar "Brighamia" have a short, thick stem with a dense cluster of broad leaves, elongate white flowers, and capsular fruits.
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Neoregelia 'Karamea Shadows' 'Karamea Shadows' is a hybrid cultivar of the genus "Neoregelia" in the Bromeliad family.