taxonID	type	description	language	source
7039D922B98257769BD11E9226AFA119.taxon	type_taxon	Type. Hyalolemma somalensis (Chiov.) P. M. Peterson, Romasch. & Soreng ≡ Sporobolus somalensis Chiov.	en	Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., Herrera Arrieta, Yolanda (2025): Reticulation within Sporobolus: recognition of two new sections, Acinifolii and Thellungia, and a new genus, Hyalolemma (Poaceae, Chloridoideae, Zoysieae, Sporobolinae). PhytoKeys 261: 99-123, DOI: 10.3897/phytokeys.261.157741
7039D922B98257769BD11E9226AFA119.taxon	description	Description. Cushion forming perennials, arising from stout, branching stolons densely clothed in imbricate cataphylls below, innovations extravaginal. Culms 6 – 30 cm tall, erect. Leaf sheaths open for most of their length, glabrous or with pustulate-based hairs, the hairs up to 3 mm long, hyaline; ligules ≤ 0. – 4 mm long, a line of hairs; blades 0.5 – 8 cm long, 1.2 – 2.2 mm wide, flat, stiff, glaucus, and pungent, sometimes with pustulate hairs scattered along the margin. Inflorescence a panicle 2 – 13 cm long, 2 – 7 cm wide, ovate, diffuse, branches capillary. Spikelets 1.2 – 2.2 mm long, 1 - flowered, lanceolate, laterally compressed to subterete; glumes shorter to as long as spikelet, hyaline; lower glumes 0.3 – 1.2 mm long, orbicular to narrowly oblong, apex obtuse to erose; upper glumes 0.7 – 2 mm long, 1 - veined, oblong, apex obtuse; lemmas 1.2 – 2 mm long, oblong to ovate, 1 - or 3 - veined, when 3 - veined the lateral veins only visible on lower ¼ to ½, hyaline, apex obtuse to truncate, often erose and minutely ciliate; paleas 2 - veined. Flowers perfect; lodicules 2; anthers 1 – 2 mm long, 3, purplish; ovary glabrous. Caryopses 1.2 – 1.6 mm long, elliptic, brownish with a free pericarp.	en	Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., Herrera Arrieta, Yolanda (2025): Reticulation within Sporobolus: recognition of two new sections, Acinifolii and Thellungia, and a new genus, Hyalolemma (Poaceae, Chloridoideae, Zoysieae, Sporobolinae). PhytoKeys 261: 99-123, DOI: 10.3897/phytokeys.261.157741
7039D922B98257769BD11E9226AFA119.taxon	etymology	Etymology. The name is derived from the Greek “ hyalos, ” meaning hyaline or transparent, combined with lemma (Greek).	en	Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., Herrera Arrieta, Yolanda (2025): Reticulation within Sporobolus: recognition of two new sections, Acinifolii and Thellungia, and a new genus, Hyalolemma (Poaceae, Chloridoideae, Zoysieae, Sporobolinae). PhytoKeys 261: 99-123, DOI: 10.3897/phytokeys.261.157741
7039D922B98257769BD11E9226AFA119.taxon	distribution	Distribution. Hyalolemma comprises two species found in northeastern Africa in Ethiopia and Somalia.	en	Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., Herrera Arrieta, Yolanda (2025): Reticulation within Sporobolus: recognition of two new sections, Acinifolii and Thellungia, and a new genus, Hyalolemma (Poaceae, Chloridoideae, Zoysieae, Sporobolinae). PhytoKeys 261: 99-123, DOI: 10.3897/phytokeys.261.157741
18C55241AAA35843B483B49D899FFF17.taxon	type_taxon	Type. Sporobolus acinifolius Stapf, Fl. Cap. 7: 581. 1900.	en	Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., Herrera Arrieta, Yolanda (2025): Reticulation within Sporobolus: recognition of two new sections, Acinifolii and Thellungia, and a new genus, Hyalolemma (Poaceae, Chloridoideae, Zoysieae, Sporobolinae). PhytoKeys 261: 99-123, DOI: 10.3897/phytokeys.261.157741
18C55241AAA35843B483B49D899FFF17.taxon	description	Description. Mat forming perennials with elongated and much branched or short rhizomes, innovations intravaginal. Culms 6 – 43 cm long with 1 – 5 nodes, glabrous. Leaf sheaths open for most of their length; ligules 0.2 – 0.3 mm long, a line of hairs; blades 0.5 – 12 cm long, 1 – 3 mm wide, flat, glabrous, apex obtuse to acuminate, occasionally with cartilaginous margins. Inflorescence a panicle 2 – 15 cm long, open with effuse to capillary or sometimes dichotomously branched or spiciform with loosely ascending branches. Spikelets 1 – 2.5 mm long, 1 - flowered, lanceolate, subterete; glumes shorter to as long as the spikelet, 1 - veined, hyaline or sometimes membranous; lower glumes 0.25 – 0.5 as long as upper glumes; upper glumes 0.5 – 1 as long as the floret, apex acute to obtuse; lemmas 1 – 2.5 mm long, 1 - or 3 - veined, ovate, membranous, apex obtuse to acute; paleas 2 - veined. Flowers perfect; lodicules 2; anthers 0.7 – 1.9 mm long; ovary glabrous. Caryopses 0.8 – 1.1 mm long, ellipsoid to globose, brownish with a free pericarp.	en	Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., Herrera Arrieta, Yolanda (2025): Reticulation within Sporobolus: recognition of two new sections, Acinifolii and Thellungia, and a new genus, Hyalolemma (Poaceae, Chloridoideae, Zoysieae, Sporobolinae). PhytoKeys 261: 99-123, DOI: 10.3897/phytokeys.261.157741
18C55241AAA35843B483B49D899FFF17.taxon	distribution	Distribution. Southern Africa.	en	Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., Herrera Arrieta, Yolanda (2025): Reticulation within Sporobolus: recognition of two new sections, Acinifolii and Thellungia, and a new genus, Hyalolemma (Poaceae, Chloridoideae, Zoysieae, Sporobolinae). PhytoKeys 261: 99-123, DOI: 10.3897/phytokeys.261.157741
8467329F75BD5297B1E7599B0E283DE0.taxon	type_taxon	Type. Sporobolus advenus (Stapf) P. M. Peterson, Taxon 63 (3): 1232. 2014 ≡ Thellungia advena Stapf ≡ Eragrostis advena (Stapf) S. M. Phillips.	en	Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., Herrera Arrieta, Yolanda (2025): Reticulation within Sporobolus: recognition of two new sections, Acinifolii and Thellungia, and a new genus, Hyalolemma (Poaceae, Chloridoideae, Zoysieae, Sporobolinae). PhytoKeys 261: 99-123, DOI: 10.3897/phytokeys.261.157741
8467329F75BD5297B1E7599B0E283DE0.taxon	description	Description. Caespitose perennials often with short to long rhizomes; innovations mostly intravaginal. Culms 60 – 300 cm tall, erect, sometimes geniculately ascending. Leaf sheaths open for most of their length, glabrous, sometimes coriaceous near base; ligules 0.1 – 0.8 mm long, a line of hairs; blades 10 – 30 cm long, (0.5 –) 1 – 6 mm wide, flat to involute, sometimes convolute and filiform, smooth, scabrous near the margins, glabrous. Inflorescence a panicle 5 – 50 cm long, spiciform and contracted (S. advenus, S. megalospermus, sometimes S. ramigerus) or open (S. collinus), diffuse, ovate. Spikelets 3 – 17 mm long, 2 – 15 (– 27) - flowered, linear, lanceolate, ovate to oblong, occasionally cleistogamous, sometimes with a rachilla extension (S. advenus); glumes shorter than the spikelet, 1 - veined; lower glumes 0.5 – 0.9 as long as the upper glume; upper glumes 1.25 – 4 mm long, apex acute to obtuse; lemmas 1.8 – 3 mm long, 3 - veined, sometimes 1 - veined, ovate or lanceolate, hyaline, membranous to cartilaginous, often olive-green to dark greenish purple, apex acute, sometimes obtuse to truncate; paleas 1 / 2 to as long as the lemma, 2 - veined, with wide flaps usually wider than the body and usually splitting along the midline; Flowers perfect; lodicules 2, cuneate; stamens 3, anthers 0.3 – 2 mm long, usually greenish; ovary glabrous. Caryopses 0.9 – 1.2 mm long, 3 - or 4 - angled, strongly laterally compressed to ovoid, globose, sometimes stipitate (S. ramigerus) with a free pericarp.	en	Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., Herrera Arrieta, Yolanda (2025): Reticulation within Sporobolus: recognition of two new sections, Acinifolii and Thellungia, and a new genus, Hyalolemma (Poaceae, Chloridoideae, Zoysieae, Sporobolinae). PhytoKeys 261: 99-123, DOI: 10.3897/phytokeys.261.157741
8467329F75BD5297B1E7599B0E283DE0.taxon	distribution	Distribution. Australasia and Central Asia.	en	Peterson, Paul M., Romaschenko, Konstantin, Soreng, Robert J., Herrera Arrieta, Yolanda (2025): Reticulation within Sporobolus: recognition of two new sections, Acinifolii and Thellungia, and a new genus, Hyalolemma (Poaceae, Chloridoideae, Zoysieae, Sporobolinae). PhytoKeys 261: 99-123, DOI: 10.3897/phytokeys.261.157741
