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Aristida adscensionis

L. (1753)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Monocots Order: Poales Family: Poaceae Genus: Aristida

annual three awn, sixweeks three awn

Description

Key Characters:

Growth Form: Annual, or perennial herb.

Stems: Culms erect, or geniculately ascending, or decumbent, 10–100 cm long. Culm-internodes distally glabrous. Culm-nodes glabrous.

Roots: Roots fibrous.

Leaves: Leaves simple. Alternate. Blades flat, or conduplicate; 5–20 cm long; 1–3 mm wide. Ligule a fringe of hairs. Veins parallel. Blades sheathing. Stipules absent.

Flowers: Panicle open, or contracted; elliptic; 10–30 cm long; evenly furnished, or contracted about primary branches. Spikelets solitary. Fertile spikelets pedicelled. Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; subterete; 6–12 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus elongated; 0.5 mm long; pilose; obtuse. Glumes persistent; similar; reaching apex of florets, or shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 4–7 mm long; 0.8 length of upper glume; scarious; 1-keeled; 1 -veined. Lower glume primary vein scabrous. Lower glume lateral veins absent. Lower glume apex emarginate, or acute; muticous, or mucronate. Upper glume lanceolate; 5–10 mm long; 0.75–1 length of adjacent fertile lemma; scarious; 1-keeled; 1 -veined. Upper glume primary vein scabrous. Upper glume lateral veins absent. Upper glume apex dentate; 2 -fid; mucronate. Fertile lemma elliptic; laterally compressed; 5–13 mm long; coriaceous; keeled; 3 -veined. Lemma midvein scabrous. Lemma margins convolute; covering most of palea. Lemma apex acute; awned; 3 -awned. Principal lemma awn with 7–25 mm long limb; persistent. Lateral lemma awns 5–25 mm long; subequal to principal, or shorter than principal. Palea 0.2 length of lemma; without keels. Stamen 3.

Fruit:

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Synonyms (143)

Aristida abyssinica Trin. & Rupr. (1842)
Aristida adscensionis f. modesta Hack. (1906)
Aristida adscensionis subsp. bromoides (Kunth) Henrard (1932)
Aristida adscensionis subsp. coerulescens (Desf.) Bourreil & Trouin ex Auquier & J.Duvign. (1976)
Aristida adscensionis subsp. guineensis (Trin. & Rupr.) Henrard (1926)
Aristida adscensionis subsp. heymannii (Regel) Tzvelev (1971)
Aristida adscensionis subvar. condensata Hack. (1904)
Aristida adscensionis var. abortiva A.Beetle (1974)
Aristida adscensionis var. aethiopica (Trin. & Rupr.) T.Durand & Schinz (1894)
Aristida adscensionis var. breviseta Hack. (1906)
Aristida adscensionis var. bromoides (Kunth) Henrard (1926)
Aristida adscensionis var. canariensis (Willd.) T.Durand & Schinz (1894)
Aristida adscensionis var. coarctata (Kunth) Kuntze (1898)
Aristida adscensionis var. coerulescens (Desf.) Hack. (1904)
Aristida adscensionis var. condensata (Hack.) Henrard (1926)
Aristida adscensionis var. decolorata (E.Fourn.) Beetle (1974)
Aristida adscensionis var. ehrenbergii (Trin. & Rupr.) Henrard (1926)
Aristida adscensionis var. festucoides (Poir.) Henrard (1926)
Aristida adscensionis var. glabricallis Maire & Weiller (1942)
Aristida adscensionis var. guineensis (Trin. & Rupr.) Henrard (1932)
Aristida adscensionis var. humilis (Kunth) Kuntze (1898)
Aristida adscensionis var. interrupta (Cav.) Beetle (1974)
Aristida adscensionis var. mexicana Henrard (1927)
Aristida adscensionis var. modesta Hack. (1904)
Aristida adscensionis var. nigrescens (J.Presl) Beetle (1974)
Aristida adscensionis var. normalis Kuntze (1898)
Aristida adscensionis var. pumila (Decne.) Coss. & Durieu (1855)
Aristida adscensionis var. pygmaea (Trin. & Rupr.) T.Durand & Schinz (1894)
Aristida adscensionis var. scabriflora Hack. (1904)
Aristida adscensionis var. senegalensis (Trin. & Rupr.) T.Durand & Schinz (1894)
Aristida adscensionis var. spigera (Trin. & Rupr.) Henrard (1928)
Aristida adscensionis var. strictiflora (Trin. & Rupr.) T.Durand & Schinz (1894)
Aristida adscensionis var. typica Stapf (1896)
Aristida aethiopica Trin. & Rupr. (1842)
Aristida americana var. bromoides (Kunth) Scribn. & Merr. (1901)
Aristida arabica Trin. & Rupr. (1842)
Aristida bromoides Kunth (1816)
Aristida canariensis Willd. (1809)
Aristida cardosoi Cout. (1914)
Aristida chaetophylla Steud. (1854)
Aristida coarctata Kunth (1816)
Aristida coerulescens Desf. (1798)
Aristida coerulescens var. arabica Henrard (1932)
Aristida coerulescens var. breviaristata Schweinf. (1894)
Aristida coerulescens var. breviseta Hack. (1889)
Aristida coerulescens var. exilis Schweinf. ex Blatt. (1936)
Aristida coerulescens var. laevilemma Maire (1953)
Aristida coerulescens var. pumila (Decne.) Döll (1878)
Aristida coerulescens var. scabrilemma Maire (1953)
Aristida confusa Trin. & Rupr. (1842)
Aristida corctata Kunth (1816)
Aristida curvata (Nees) Nees ex A.Rich. (1850)
Aristida curvata var. abyssinica A.Rich. (1850)
Aristida curvata var. nana (Nees) Henrard (1928)
Aristida debilis Mez (1921)
Aristida depressa Retz. (1786)
Aristida depressa var. bromoides (Kunth) Trin. & Rupr. (1842)
Aristida depressa var. coarctata (Kunth) Trin. & Rupr. (1842)
Aristida dispersa Trin. & Rupr. (1842)
Aristida dispersa var. bromoides (Kunth) Trin. & Rupr. (1842)
Aristida dispersa var. coarctata (Kunth) Trin. & Rupr. (1842)
Aristida dispersa var. humilis (Kunth) Trin. & Rupr. (1842)
Aristida dispersa var. nana Trin. & Rupr. (1842)
Aristida dispersa var. nigrescens (J.Presl) Trin. & Rupr. (1842)
Aristida effusa Henrard (1926)
Aristida ehrenbergii Trin. & Rupr. (1842)
Aristida elatior Cav. (1801)
Aristida fasciculata Torr. (1824)
Aristida festucoides Poir. (1811)
Aristida gigantea L.f. (1782)
Aristida grisebachiana E.Fourn. (1886)
Aristida grisebachiana var. decolorata E.Fourn. (1886)
Aristida guineensis Trin. & Rupr. (1842)
Aristida heymannii Regel (1880)
Aristida humilis Kunth (1816)
Aristida interrupta Cav. (1799)
Aristida laxa Willd. ex Trin. & Rupr. (1849)
Aristida luzoniensis Cav. (1799)
Aristida macrochloa Hochst. (1855)
Aristida maritima Steud. (1854)
Aristida mauritiana Kunth (1830)
Aristida mauritiana var. glabripetala Sands (2001)
Aristida modatica Steud. (1854)
Aristida mongholica Trin. (1842)
Aristida nana Steud. (1854)
Aristida nigrescens J.Presl (1830)
Aristida nutans Steud. (1840)
Aristida paniculata Forssk. (1775)
Aristida peruviana Beetle (1975)
Aristida pumila Decne. (1835)
Aristida pusilla Trin. & Rupr. (1842)
Aristida pygmaea Trin. & Rupr. (1842)
Aristida racemosa Spreng. (1807)
Aristida schaffneri E.Fourn. (1886)
Aristida setacea Steud. (1840)
Aristida simplicissima Steud. (1854)
Aristida spicigera Trin. & Rupr. (1842)
Aristida stricta var. decolorans E.Fourn. ex Dávila & Sánchez-Ken (1994)
Aristida stricta var. grisebachiana E.Fourn. ex Dávila & Sánchez-Ken (1994)
Aristida strictiflora Trin. & Rupr. (1842)
Aristida submucronata Schumach. & Thonn. (1827)
Aristida submucronata var. scabra Henrard (1928)
Aristida swartziana Steud. (1854)
Aristida teneriffae Steud. (1854)
Aristida thonningii Trin. & Rupr. (1842)
Aristida viciosorum Pau (1918)
Aristida vulgaris Trin. & Rupr. (1842)
Aristida vulgaris var. abyssinica Trin. & Rupr. (1842)
Aristida vulgaris var. aethiopica Trin. & Rupr. (1842)
Aristida vulgaris var. canariensis (Willd.) Trin. & Rupr. (1842)
Aristida vulgaris var. coerulescens (Desf.) Trin. & Rupr. (1842)
Aristida vulgaris var. confusa Trin. & Rupr. (1842)
Aristida vulgaris var. curvata (Nees) Trin. & Rupr. (1842)
Aristida vulgaris var. depressa (Retz.) Trin. & Rupr. (1842)
Aristida vulgaris var. mongholica Trin. & Rupr. (1842)
Aristida vulgaris var. pumila (Decne.) Trin. & Rupr. (1842)
Aristida vulgaris var. pygmaea Trin. & Rupr. (1842)
Aristida vulgaris var. senegalensis Trin. & Rupr. (1842)
Aristida vulgaris var. strictiflora Trin. & Rupr. (1842)
Aristida vulpioides Hance (1866)
Aristida waibeliana Henrard (1928)
Arthratherum adscensionis (L.) Tzvelev (1971)
Arthratherum adscensionis subsp. heymannii (Regel) Tzvelev (1971)
Chaetaria adscensionis (L.) P.Beauv. (1812)
Chaetaria bromoides (Kunth) Roem. & Schult. (1817)
Chaetaria canariensis (Willd.) P.Beauv. (1812)
Chaetaria coarctata (Kunth) Roem. & Schult. (1817)
Chaetaria coerulescens (Desf.) P.Beauv. (1812)
Chaetaria curvata Nees (1841)
Chaetaria curvata var. minor Nees (1841)
Chaetaria depressa (Retz.) P.Beauv. (1812)
Chaetaria elatior (Cav.) P.Beauv. (1812)
Chaetaria fasciculata (Torr.) Schult. & Schult.f. (1827)
Chaetaria festucoides (Poir.) P.Beauv. (1812)
Chaetaria forskalii Nees (1841)
Chaetaria gigantea (L.f.) P.Beauv. (1812)
Chaetaria humilis (Kunth) Roem. & Schult. (1817)
Chaetaria interrupta (Cav.) P.Beauv. (1812)
Chaetaria luzoniensis (Cav.) P.Beauv. (1812)
Chaetaria mauritiana (Kunth) Nees (1841)
Chaetaria mauritiana var. nana Nees (1841)
Chaetaria nana Nees ex Steud. (1840)
Chaetaria teneriffae P.Beauv. (1812)

Uses and Culture

USES

Natural History

Statewide Status

Naturalized

Island Status

Molokai Naturalized
Hawai'i Naturalized

Dispersal Agents


Pollinators

Bibliography

Name Published In: Sp. Pl.: 82 (1753)

Other References

Wagner et al. 1990:1482 (O?, Mo?, H? [adventive], DESCR); Herbst & Clayton 1998:19 (O spm. unidentifiable to species); Faccenda 2022:43, 44 (remove O [re-IDed as A. divaricata], KEY); Munro 128 BISH (Mo†, 1903); Note: BISH spms. confirm nat. on H

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Aristida adscensionis Kohala District Near Kawaihai Roadside weed of dry area Preserved_Specimen Herbst, D.R. 5312 Hawaii BISH 1975-05-19
2 Aristida adscensionis Kawahihae Rd Dry location. Preserved_Specimen Small slight annual grass. Christensen, Mrs.C. 1 Hawaii BISH 1963-11-14
3 Aristida adscensionis East Maui, Hana District, Haou OBSERVATION Curtis Daehler Maui HAPI 3/21/2007
4 Aristida adscensionis Kawaihae, Hawaii. Ubiquitous only within Puu kohala Heiau Preserved_Specimen Degener, O. 31102 Hawaii BISH 1966-12-20
5 Aristida adscensionis South Kohala Dist. Waikoloa Ahupuaa, off Parker Ranch road 4/5 mile north of Kamakoa Erect annual grass. Occasional. Preserved_Specimen Herbst, D.R. 9818 Hawaii BISH 1997-02-13
6 Aristida adscensionis Kona, between Kona Village Resort and Queen Kaahumanu Hwy Preserved_Specimen Imada, C. 941 Hawaii BISH 1994-02-25
7 Aristida adscensionis American Sugar Co Preserved_Specimen Munro, G.C. 128 Molokai BISH 1903-05-01
8 Aristida adscensionis South Kohala District. Collected east of Queen Kaahumanu Highway between Mauna Lani Drive and Puako turn off Dry area with scant vegetation; open grassland with scattered Prosopis pallida. Preserved_Specimen Funk, E.J. Hawaii BISH 1991-02-04
9 Aristida adscensionis Puu Kohola Heiau, near Waimea growing in and around heiau. Arid. Assoc w/ Sida, Ipomea, Chloris. Disturbed area. Preserved_Specimen Herbst, D.R. 229 Hawaii BISH 1966-08-10
10 Aristida adscensionis Kua Bay Access Rd. Dry roadside, sunny, from gravel Preserved_Specimen Abundant annual grass in area Faccenda, K. 2289 Hawaii BISH 2022-03-03
11 Aristida adscensionis South Kohala District About 0.4 miles east of Waikoloa Village Associated with Prosopis and Sida Preserved_Specimen Funk, E.J. Hawaii BISH 1991-01-28
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