Show Lower Taxa
Difference between revisions of "Rosaceae tribe Neillieae"
Trudy Imp. S.-Peterburgsk. Bot. Sada 6: 164, 216. 1879.
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Revision as of 23:12, 16 December 2019
Shrubs; unarmed. Leaves alternate, simple; stipules persistent or caducous, free; venation palmate. Flowers: perianth and androecium perigynous; epicalyx bractlets absent; hypanthium cup-shaped to campanulate; torus absent; carpels 1–5, basally connate (distinct when single), free, styles terminal, distinct; ovules 2–5[–10], marginal, pendulous, biseriate or clustered. Fruits solitary or aggregated follicles; styles persistent, not elongate.
Distribution
North America, n Mexico, Asia, introduced in Europe.
Discussion
Genera 2, species 21 (2 genera, 7 species in the flora).
The base chromosome number for Neillieae is x = 9. Cyanogenic glycosides are absent in Physocarpus; there are no data on Neillia.
Selected References
None.
Lower Taxa
Key
1 | Inflorescences corymb- or umbel-like racemes; carpels 1–5; fruits usually aggregated follicles. | Physocarpus |
1 | Inflorescences racemes or panicles to corymbs; carpel 1; fruits solitary follicles. | Neillia |