Sticky Robinia ( lat. Robinia viscosa ) - a species of trees from the genus Robinia ( Robinia ) of the legume family ( Fabaceae ).
| Sticky robinia | |||||||||||||||||||||||||
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Robinia viscosa Vent. | |||||||||||||||||||||||||
Content
Distribution and Ecology
In nature , the range of the species covers North America - from North Carolina to Alabama . It grows in the Allegany mountains [2] .
Botanical Description
A tree up to 12 m high, with a wide crown and trunk with a diameter of up to 35 cm. The bark is thick, dark brown, smooth. Shoots , leaf stems, inflorescence axis, pedicels and calyx sticky from glandular pubescence.
Leaves up to 20 cm long, from 13-25 (up to 27) leaflets; leaflets oblong-elliptic, 2.5-4 cm long, up to 2 cm wide, at the apex more or less obtuse and with a short spike, rounded or widely wedge-shaped at the base, pubescent at an early age, later glabrous from above, bright green, from below grayish, hairless or pubescent. Stipules turned into awl-shaped spines 4–5 mm long or falling.
The flowers are pink, about 2 cm long, collected 6-15 in almost upright brushes 5-10 cm long and 4-5 cm wide. Calyx up to 7 mm long, 5 mm wide, dark red, with narrow triangular teeth.
Beans are oblong-linear, 5.5–9 cm long, up to 12 mm wide, at the end with a nose curved upward, sparse glandular-bristly. Seeds are oblong-bud-shaped, about 4 mm long, 2 mm wide, smooth, brown, matte.
It blooms in May - June, sometimes a second time in August. Fruits in August.
Meaning and Application
In culture since 1791 .
In gardens and parks are used infrequently, in single copies and in groups.
Classification
Representatives
Within the species, a number of varieties are distinguished: [2]
- Robinia viscosa var. hartwegii ( Koehne ) Ashe
- [ syn. Robinia hartwigii Koehne ]
- Robinia viscosa var. viscosa
Taxonomy
The sticky species Robinia is part of the tribe Robinieae of the genus Robinia of the subfamily Moth ( Faboideae ) of the legume family ( Fabaceae ) of the order Leguminous ( Fabales ).
| 3 more families (according to APG II System ) | about 470 more births | |||||||||||||||
| beanaceous order | subfamily Moth | view of sticky robinia | ||||||||||||||
| Department of Flowering, or Angiosperms | Bean family | clan robinia | ||||||||||||||
| 44 more order flowering plants (according to APG II System ) | 2 more subfamilies (according to APG II System ) | about 20 more species | ||||||||||||||
Notes
- ↑ For the conventionality of specifying the class of dicotyledons as a superior taxon for the plant group described in this article, see the APG Systems section of the Dicotyledonous article .
- ↑ 1 2 According to the GRIN website (see plant card).
Literature
- Trees and shrubs of the USSR. Wild, cultivated and promising for introduction. / Ed. volumes S. Ya. Sokolov . - M. - L .: Publishing House of the Academy of Sciences of the USSR , 1958. - T. IV. Angiosperms. Legumes - Pomegranates. - S. 155. - 976 p. - 2500 copies.