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NANLINGENSE  Yan Liu & C.Y.Zou, 2020

Etymology : Refers to the Nanling Mountains in south China.


Distribution : Found in the Maoershan National Nature Reserve in southern China.



Description :


Biennial, glabrous plants, 8 - 13 cm tall.


Roots fibrous.


Stems green to pale chestnut brown, maculate with reddish dots or lines.


Leaves linear-lanceolate, alternate, 1 - 1.5 x 0.3 - 0.5 cm, usually green or maculate with reddish dots or lines, base truncate and spurred, margin entire, apex subacute, densely arranged on upper parts of sterile stems.


Flowering stems solitary or tufted, many branches at base, basally decumbent or ascending, distally erect.


Inflorescence a spicate cyme, usually dichotomously branched or three-branched, branches often scorpioid, rarely corymbiform, few flowers.


Flowers unequally 3-merous, sepals 3, triangular, 2 - 2.5 x 1.5 - 2 mm, basally free, spurred, green, petals 3, 3.5 - 4.5 x 2 - 2.5 mm, ovate, base narrowly clawed, apex acute, yellow, becoming reflexed as the flowers age, anthers reduced.


Flowering time July to August.


Similar to S. onychopetalum, S. kiangnanense and S. sarmentosum but differs in its 3-merous flowers

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