| Physocarpus | |
|---|---|
 | |
| Physocarpus opulifolius | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Rosaceae |
| Subfamily: | Amygdaloideae |
| Tribe: | Neillieae |
| Genus: | Physocarpus (Cambess.) Raf. 1836 [1] |
| Species | |
6-20, see text | |
Physocarpus, commonly called ninebark, is a genus of flowering plants in the family Rosaceae, native to North America (most species) and northeastern Asia (one species).
Physocarpus are deciduous shrubs with peeling bark [2] and alternately arranged leaves. The leaves are palmate with 3 to 7 lobes and often toothed edges. The inflorescence is a cluster of bell-shaped flowers with 5 rounded white or pink petals and many stamens. The fruit is a flat or inflated dehiscent follicle. [3] [4]
Physocarpus opulifolius is cultivated as an ornamental plant. Several cultivars have been bred, particularly for foliage of varying colors, including 'Dart's Gold' and 'Luteus', which have yellowish leaves, and 'Monlo' and 'Seward', which have reddish purple foliage. [5]
There are six [3] [6] [7] to 20 [4] species in the genus. They include:
The genus name Physocarpus comes from the Greek word for "bladder fruit", referring to the inflated fruits of some species. [23] The common name 'ninebark' refers to the peeling bark of mature branches, which comes away in strips. [2]
Propagation is by seeds sown as soon as ripe or they can be stored dry in airtight containers in a cool place for up to a year and then sown. Plants can be divided in the early spring, with a sharp spade or even an axe, chopping right through the middle. Softwood and hardwood cuttings are easy to root.
Garden writers describe few if any problems, but it is not unheard for armies of aphids to attack some varieties. Some seaside specimens exhibit powdery mildew in summer.
Botrychium is a genus of ferns, seedless vascular plants in the family Ophioglossaceae. Botrychium species are known as moonworts. They are small, with fleshy roots, and reproduce by spores shed into the air. One part of the leaf, the trophophore, is sterile and fernlike; the other, the sporophore, is fertile and carries the clusters of sporangia or spore cases. Some species only occasionally emerge above ground and gain most of their nourishment from an association with mycorrhizal fungi.
Sceptridium is a genus of seedless vascular plants in the family Ophioglossaceae, closely allied to the genus Botrychium. It is also closely related to the genus Botrypus. Sceptridium species are commonly called the grape-ferns.
Polystichum is a genus of ferns in the family Dryopteridaceae, subfamily Dryopteridoideae, according to the Pteridophyte Phylogeny Group classification of 2016. The genus has about 500 species and has a cosmopolitan distribution. The highest diversity is in eastern Asia, with about 208 species in China alone; the region from Mexico to Brazil has at least 100 additional species; Africa, North America, and Europe have much lower diversity. Polystichum species are terrestrial or rock-dwelling ferns of warm-temperate and montane-tropical regions. They are often found in disturbed habitats such as road cuts, talus slopes, and stream banks.
Hecistopteris is a fern genus in the Vittarioideae subfamily of the Pteridaceae.
Malus hupehensis, common names Chinese crab apple, Hupeh crab or tea crabapple, is a species of flowering plant in the apple genus Malus of the family Rosaceae.
Physocarpus opulifolius, known as common ninebark, Eastern ninebark, Atlantic ninebark, or simply ninebark, is a species of flowering plant in the rose family Rosaceae, native to eastern North America.
Sambucus racemosa is a species of elderberry known by the common names red elderberry and red-berried elder.
Subularia is a genus of plants in the family Brassicaceae. Subularia species are annual herbs that grow in moist or even flooded soils. There are only two species of the genus: Subularia aquatica, which is widespread in North America and Europe; and Subularia monticola, from Africa mountains. Awlwort is a common name for plants in this genus.
Physocarpus monogynus, the mountain ninebark or low ninebark, is a flowering shrub of western North America.
Malus prunifolia is a species of crabapple tree known by the common names plumleaf crab apple, plum-leaved apple, pear-leaf crabapple, Chinese apple and Chinese crabapple. It is native to China, and is grown elsewhere for use as an ornamental tree or as rootstock. It reaches from between 3 and 8 meters tall and bears white flowers and yellow or red fruit.
Campyloneurum angustifolium is a fern species in the family Polypodiaceae, commonly known as narrow strapfern or narrow-leaf strap fern.
Oreochrysum is a genus of flowering plants in the family Asteraceae.
Salix geyeriana is a species of willow known by the common names Geyer's willow, Geyer willow and silver willow. The type specimen was collected by the botanist Karl Andreas Geyer, for whom it was named. Its conspicuous, yellow flowers begin to bloom as early as March, to as late as the end of June.
Rhododendron minus var. minus, the Carolina azalea or Carolina rhododendron, is a rhododendron species native to the mountains of North Carolina, South Carolina, Tennessee, and Northeast Georgia. It is commonly known as Rhododendron carolinianum in the horticultural trade.
Oenothera albicaulis is a New World plant in the evening primrose family. It is known by the common names prairie evening-primrose, white-stem evening-primrose, whitish evening primrose, or whitest evening primrose.
Schoenoplectus etuberculatus, common name Canby's bulrush, is a plant species native to the United States. It is reported from every state on the Gulf and Atlantic coasts from eastern Texas to Delaware, plus isolated populations in Rhode Island and Missouri. It is an emergent plant growing in ponds, marshes, stream banks, etc., including in brackish water along the coast.