Schindleria (plant) explained

Schindleria is a genus of flowering plants in the family Petiveriaceae.[1]

It is native to Bolivia, Peru and Paraguay in South America.[1]

Description

They have a semi-shrubby nature,[2] with erect racemes with a single floral bract and 2 minute bracteoles (a small bracts).[2] They have bisexual (bearing both male and female reproductive organs),[3] actinomorphic flowers (regular or radially symmetrical). The flowers have four petals,[3] with usually 3 parallel veins.[2] They many stamens (between 12 and 25),[2] [3] and the ovary is cylindric or ovoid (in shape),[3] and one-carpellate (consisting of carpels).[2] The style is absent and the stigma is penicillate (tufted like an artist's brush).[3] It has utricle type of fruit (like a small bladder).[2] [3]

The pollen grains are similar in form to those of members of the Chenopodioideae family (including Amaranthus and Celosia). They are about 27 μms in diameter.[4]

Known species

In 1906, when published there were 4 known species, (S. glabra, S. racemosa, S. rivinoides and S. Rosea) then 3 other species were added later up to 1952. S. mollis in 1909, S. weberbaueri in 1923 and S. densiflora (which was transferred from Rivina densiflora) in 1952. Then in 1962, American botanist Joan W. Nowicke re-ordered the genus and only accepted just 2 known species, Schindleria densiflora and Schindleria racemosa. Then in 2006, Jon M. Ricketson added Schindleria tomentosa.[2]

There are 3 accepted species, according to Plants of the World Online,[1]

The type species was never named.

Taxonomy

The genus name of Schindleria is in honour of Anton Karl Schindler (1879–1964), a German dentist and botanist.[5] It was first described and published in Beibl. Bot. Jahrb. Syst. Vol.85 on page 24 in 1906.[1]

It was once thought to be part of the Phytolaccaceae family,[2] before moving to the Petiveriaceae family,[6] in 1985.[7]

The genus is recognized by the United States Department of Agriculture and the Agricultural Research Service, but they do not list any known species.[8]

Other sources

Notes and References

  1. Web site: Schindleria H.Walter Plants of the World Online Kew Science . Plants of the World Online . 27 January 2022 . en.
  2. Ricketson . Jon M. . A New Species and Conservation Status of Schindleria (Phytolaccaceae) from Peru . Novon . October 2006 . 16 . 3 . 404–408. 10.3417/1055-3177(2006)16[404:ANSACS]2.0.CO;2 . 85705949 .
  3. [Klaus Kubitzki]
  4. Gunnar Erdtman
  5. Book: Burkhardt, Lotte . Verzeichnis eponymischer Pflanzennamen – Erweiterte Edition . Index of Eponymic Plant Names – Extended Edition . Botanic Garden and Botanical Museum, Freie Universität Berlin . 2018 . 978-3-946292-26-5 . pdf . German . Berlin . 10.3372/epolist2018 . 187926901 . 1 January 2021.
  6. Charles R. Gunn
  7. Brown . G. K. . Varadarajan . G. S. . Studies in Caryophyllales I: Re-evaluation of Classification of Phytolaccaceae s.1. . Systematic Botany . January–March 1985 . 10 . 1 . 49–63. 10.2307/2418434 . 2418434 .
  8. Web site: Genus Schindleria H. Walter . npgsweb.ars-grin.gov . 27 January 2022.