Biology:Buddleja racemosa
| Buddleja racemosa | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Scrophulariaceae |
| Genus: | Buddleja |
| Species: | B. racemosa
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| Binomial name | |
| Buddleja racemosa | |
Buddleja racemosa, commonly known as the Wand (or Texas) Butterfly Bush, is endemic to the southern edge of the limestone Edwards Plateau in Texas , United States, from Austin, Texas to Rocksprings, growing around streams, creeks and springs at elevations of 250 – 750 m. The plant was first named and described by John Torrey in 1859.[1][2]
Description
Buddleja racemosa is a small, lax, dioecious shrub 0.3 – 1.5 m tall, with greyish-brown rimose bark and persistent old branches. The young branches are terete, tomentose and glandular, bearing small subcoriaceous ovate-oblong to lanceolate leaves 3 – 10 cm long by 1.5 – 4 cm wide, with petioles <2 cm long. The pale yellow inflorescences are 8 – 30 cm long, usually comprising 8 – 12 pairs of small globose heads 0.5 – 0.7 cm in diameter, each head with 6 – 12 flowers. Ploidy: 2n = 38.[2]
Varieties
Norman identifies two varieties distinguished by the number of stellate hairs on the undersides of the leaves:[2]
- Buddleja racemosa var. incana
- Buddleja racemosa var. racemosa
Cultivation
The species is not known to be in cultivation.
References
Wikidata ☰ Q4984704 entry
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