''Stylophorum'' ( celandine-poppy) is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of three

species In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...

herbaceous Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials. Definitions of "herb" and "herbaceous" The fourth edition ...

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

plants Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclud ...

native to

woodland A woodland () is, in the broad sense, land covered with trees, or in a narrow sense, synonymous with wood (or in the U.S., the '' plurale tantum'' woods), a low-density forest forming open habitats with plenty of sunlight and limited shade (see ...

in eastern North America and China.

Stem Stem or STEM may refer to: Plant structures * Plant stem, a plant's aboveground axis, made of vascular tissue, off which leaves and flowers hang * Stipe (botany), a stalk to support some other structure * Stipe (mycology), the stem of a mushr ...

s are bristly, and leaves are lobed and have wavy edges.

Flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechanism ...

s are yellow and have four petals and an unusually long

style Style is a manner of doing or presenting things and may refer to: * Architectural style, the features that make a building or structure historically identifiable * Design, the process of creating something * Fashion, a prevailing mode of clothing ...

, for which the genus is named. Several may be found on each stem. The closely related ''

Hylomecon vernalis ''Hylomecon vernalis'', also known as the forest poppy, is a poppy of the Far East, ranging from Manchuria to Japan. This poppy is a perennial that spreads via rhizomes, typically no taller than 30 cm. The pinnate leaves usually have fiv ...

'' has only one flower on each stem, and the greater celandine (''

Chelidonium majus ''Chelidonium majus'', the greater celandine, is a perennial herbaceous flowering plant in the poppy family Papaveraceae. One of two species in the genus ''Chelidonium'', it is native to Europe and western Asia and introduced widely in North Ame ...

'') has branched stems and no bracts or bracteoles.

Species

There are three species:

References

* Christopher Grey-Wilson, ''Poppies'' (Portland: Timber Press, 2000) pp. 42–44

External links

* * Papaveroideae Papaveraceae genera {{Ranunculales-stub