The Gymnosperm Database

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Plant showing cone-bearing branchlet and seed cones at maturity [Liu Chunrong, redrawn by Li Aili] (Fu et al. 1999, Fig. 112).

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A male flower (Ali and Qaiser 1987).

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Left to right: seed cone at maturity; pollen cone; seed [Liu Chunrong, redrawn by Li Aili] (Fu et al. 1999, Fig. 112).

 

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Conservation status

Ephedra regeliana

Florin 1933

Common names

细子麻黄 Xi zi ma huang [Chinese] (Fu et al. 1999).

Taxonomic notes

Syn. Ephedra monosperma Gmelin ex C. A. Meyer. var. disperma Regel. (Fu et al. 1999).

Type described from (Soviet) Central Asia (Ali and Qaiser 1987).

Description

Sub-shrub up to 8(-15) cm tall, lacking conspicuous, woody stems above ground, only with several woody basal branches 1-2 cm diameter. Main branches usually inconspicuous; branchlets clustered at nodes, radially arranged, smooth, slender and short, ca. 1 mm in diameter, internodes 1-2(-3) cm, apex slightly curved. Leaves opposite, connate for 1/2-2/3 their length, apex acute or slightly blunt. Pollen cones usually solitary or 2 or 3 whorled at nodes of branchlets, ellipsoid, 2-6 × 2-4 mm; bracts in 4-6(-8) pairs; staminal column exserted at apex, with 6 to 8 shortly stipitate anthers. Seed cones opposite at nodes or clustered at apex of branchlets, ovoid or broadly ovoid, ca. 5 × 3-4 mm at maturity; bracts usually in 3 pairs, apical pair connate for ca. 5/6 their length or more, red and fleshy at maturity; integument tube 1-1.5(-2.5) mm long, straight. Seeds (1-)2, glossy, narrowly ovoid, 3-4.5 × 1.5-2 mm, concealed by bracts. Berry globose, red. Pollination Apr-May, seed maturity Jul-Aug. 2n = 14* (Ali and Qaiser 1987, Fu et al. 1999).

Distribution and Ecology

Afghanistan, N India, Kazakstan, Kyrgyzstan, Pakistan, Tajikistan, Uzbekistan, and China: Xinjiang; at 700-3,800 m elevation, on rocky slopes, flood lands and sandy places (Fu et al. 1999).

Big tree

Oldest

Dendrochronology

Ethnobotany

Observations

Remarks

Citations

Ali, S.I. and M. Qaiser (eds.). 1987. Flora of Pakistan. http://www.efloras.org.

Florin. 1933. Kongl. Svenska Vetenskapsakad. Handl., Ser. 3, 12(1): 17. (Fig. 7, A, B).

See also

Last Modified 2017-12-29