Flora of the Sudan

Appendix 0.

Bahr El Ghazal Prov. (Jur: River Dimbo, Abu Gurun’s Zariba, River Jur, Jur Ghattas & Kutshuk Ali’s Zariba; Bongo: Lessi River; Niamniam-land: Makporru Hill).

742 =Amorphophallus Schweinfurthii= N.E. Br. GANDAH (White Nile)—Arab.

Herb with 1 long-stalked leaf divided into 3 main segments which are again much subdivided, of a diam. up to 2 ft., not appearing with flowers. Ped. 4-6 in. long; spathe dark purple; tube 2 in. long, pale in the throat; limb 4 in. long with a pointed, curved hood. Spadix shorter than spathe with a 2 in. long purple cylindric appendix; male and fem. fl. in denser rings covering 2 in. of spadix; per. 0.

Upper White Nile Prov. (Kaka); Bahr El Ghazal Prov. (Jur: Jur Ghattas; Niamniam-land: Makporru Hill); Bahr El Jebel.

It is said to be eaten as a pot-herb when young.

=A. cf. A. Schweinfurthii= N.E. Br.

Fung Prov. (Jongol’s Post).

=A. maculatus= N.E. Br.

Tall herb with 1 palmati-tripartite leaf, with numerous subdivisions, 2½ ft. in diam.; pet. 2½ in. long, spotted olive green; ped. not produced with the leaf, 2 ft. long, spotted; spathe convolute below; tube 5 in. long, spotted grey, hairy inside; limb 8 in. long, ovate, red-veined. Spadix with fem. fl covering 2 in., male fl. 1 in.; appendix 16 in. long, cylindric, violet.

Mongalla Prov. (Sheikh Tombé).

=A. sp.=

Much like above but leaf segments much narrower. Fl. not seen.

Bahr El Ghazal Prov. (Shambé); Mongalla Prov. (Kenissa).

743 =Anchomanes dubius= Schott.

Herb with solitary pinnati-tripartite, much divided leaf, 2-3 ft. diam., appearing after the flowers, armed on pet. and nerves with prickles; pet. 3-5 ft. long, white spotted. Ped. up to ab. 3 ft. long, prickly, with 1 in. white spots; spathe 6-12 in. long, boat-shaped, convolute at base, pale purple. Spadix sessile, 4-8 in. long, without appendix; fem.

Part 1 in. Long, Purple, Remainder Male. Per. 0.

Bahr El Ghazal Prov. (Jur: Geneina & Jur Ghattas).

744 =Colocasia Antiquorum= Schott. KOLOKASS—Arab; MANZI—Zande.

Tuberous rooted herb, with large stoutly petioled, peltate, ovate- cordate, sagittate leaves. Originally introduced from Asia.

Fung Prov.; Kordofan Prov.; Bahr El Ghazal Prov. (Niamniam-land).

Cultivated for its tuber, but all parts are utilised after being well boiled to separate the acrid matter common to most aroids.

745 =Culcasia scandens= P. Beauv.

Slender climber. Leaves lanc. to elliptic, 3-7 in. long, gland-dotted; pet. 1-3 in. long, sheathing. Ped. 1-4 at ends of branches, up to 3 in. long; spathe ab. 1½ in. long, convolute, hooded. Spadix ab. 2 in. long; fem. part ½ in. long, male 1-1¼ in.; appendix 0; per. 0.

Bahr El Ghazal Prov. (Bongo: River Mokloio near Dukuttu; Jur: Geneina & Jur Ghattas); Mongalla Prov. (Lado: Doka’s).

=HYDROCHARITACEÆ.=

746 =Hydrilla verticillata= Royle. =var. brevifolia= Casp.

Diœcious aquatic herb; stems elongate, branched. Leaves in verticils of 4 ovate or ovate-oblong, dentate, ab. ¼ in. long; lower leaves much shorter than internodes. Male spathe 1-flowered, axillary, solitary; perianth double of 3 segments each, outer ovate, inner linear; sta. 3. Fem. spathe tubular 2-dentate; per. segments 6, narrower than male; ovary exserted beyond the spathe, long-beaked; styles 3.

Bahr El Jebel (2° N.L.).

747 =Lagarosiphon Schweinfurthii= Casp.

Aquatic herb. Leaves alt., lin.-lanceolate, ½ in. long, minutely toothed. Male spathes many-flowered; per. 2-seriate; sta. 3; staminodes often 2-3. Fem. spathe narrowly oblong, 1-flowered, with 1-3 teeth on either side; styles 3.

Bahr El Ghazal Prov. (Jur & Bongo lands).

=L. cordofanus= Casp.

Leaves scattered, ½-1 in. long, linear. Male spathe sub-globose, 2-fid, 6-8 flowered. Fem. spathe axillary tubular, 2-fid.

White Nile Prov. (J. Arashkol).

748 =Vallisneria spiralis= Linn.

Submerged aquatic herb with very short stem and strap-shaped leaves, 4-18 in. long, minutely-toothed. Male spathes axillary on 1-2 in. long stalks, many-flowered; fl. trimerous, detaching themselves when fertile (as also in foregoing genera) and floating to the surface to fertilise the fem. fl. Fem. spathe tubular on long stalk rising to the surface, but withdrawing itself into the mud by spiral contraction after fertilization; stigma 3-lobed, hairy above.

White Nile Prov. (12° 10′ L.N. & Goz Abu Gum’a); Bahr El Ghazal Prov. (main River); Bahr El Jebel.

=V. æthiopica= Fenzl.

Much like above, but leaves under 3 in. long.

White Nile Prov. (14° 30′ L.N. & J. Nyemati); Fung Prov.

749 =Ottelia alismoides= Pers.

Aquatic herb with very short stem. Leaves with long 3-angled pet., broadly cordate, 4-6 in. wide, 7-11 nerved Fl. hermaphr., solitary; ped. 6-12 in. long, at length spirally contracted; spathe 3-6 toothed and winged, adnate to ovary; outer per. segm. 3, oblong, ½ in. long, inner segm. 3 petaloid, white, 1 in. long; sta. 6-10; styles 6, bifid; ovary 6-celled.

White Nile Prov. (Tawila); Kordofan Prov.

=O. lancifolia= A. Rich.

Leaves radical, lanceolate, tapering into the pet., which is subamplexicaul at the base. Spathe bifid; inner per. lobes yellow.

White Nile Prov. (Tawila); Darfur Prov. (J. Marra, Middle Gindi basin, 4,900 ft.); Bahr El Ghazal Prov.

The seeds are pounded into meal by Nuers, and eaten.

=O. ulvæfolia= Buch.

Leaves attenuate at both ends, 7-nerved, 1½ in. broad. Spathe winged, obtusely 6-angled; inner per. lobes bright yellow, 1 in. long.

White Nile Prov. (Salati); Bahr El Jebel (Sudd).

=O. near O. ulvæfolia= Buch.

Submerged leaves narrowly linear-oblanceolate, up to 1 ft. long. Spathes 1¾ in. long, smooth. Flowers yellow.

White Nile Prov. (Tawila).

750 =Boottia scabra= Benth. & Hook. f.

Leaves submerged, thin, oblanceolate, 1½-2 ft. long, 2½ in. wide; petiole 1 ft. long, expanded at the base into an amplexicaul base. Spathe 3½ in. long, unisexual, rugose, toothed. Petals yellow or cream coloured.

White Nile Prov.; Bahr El Ghazal Prov.; Bahr El Jebel (Sudd).

=B. abyssinica= Ridl.

As above, but spathe smooth, and only 2 in. long.

Bahr El Ghazal Prov. (Jur Ghattas & Main River); Mongalla Prov. (Kagulu Khor, Yei River); Bahr El Jebel (Madi).

751 =Thalassia Hemprichii= Ehrb.

Submerged marine plant. Leaves fascicled at intervals, linear, 6 in. long. Infl. diœcious; male spathes solitary, 2-leaved; per. 3-lobed; sta. 6. Fem. fl. at length stalked; ovary long-beaked. Fruit globose.

Red Sea Prov. (Suakin & Arakea).

752 =Halophila ovata= Gaud.

Submerged marine herb, just above low-water mark. Leaves 2 from each node, ovate, 1 in. long; pet. 1 in. long. Male fl. solitary; per. 3-lobed; sta. 3. Fem. fl. sessile in the spathe; per. segm. 3, minute; styles 3; ovary beaked.

Red Sea Prov. (Suakin).

=H. stipulacea= Aschers.

Leaves linear, 2 in. long; pet. ¼ in. Much as above.

Red Sea Prov. (Dongonab).

=LEMNACEÆ.=

753 =Lemna polyrhiza= Linn.

Duckweed, the floating front bearing several roots.

Bahr El Ghazal Prov. (Meshra El Rek).

It has been suggested that this plant might be utilised in anti-mosquito work, as pools covered with it never contain larvae of the Culicidae.

=L. paucicostata= Hegelmeier.

The floating frond nearly ⅓ in. long, bearing 1 root.

Fung Prov. (Jongol’s Post); White Nile Prov. (J. Nyemati); Kordofan Prov. (Fula Habsha); Darfur Prov. (J. Marra: Abwo stream 8,200 ft.); Bahr El Ghazal Prov. (Jur: Kutshuk Ali’s Zariba); Mouth of Bahr El Jebel.

=L. æquinoctialis= Welw.

Floating frond minute with a keel above, bearing 1 root.

Bahr El Ghazal Prov. (Niamniam-land: Makporru Hill & Nganye near the River Ibba).

754 =Wolffia Delilii= Schleid.

Duckweed; frond minute, rootless.

Kordofan Prov. (Bara); Darfur Prov. (Suruj District: J. Barkin).

=LILIACEÆ.=

755 =Smilax kraussiana= Meisn.

Climbing shrub with prickly stem. Leaves oblong or orbicular, 5-6 in. long with 3 basal nerves and 2 stipular tendrils from base of petiole. Infl. diœcious in short-peduncled, many-flowered axillary umbels. Per. segm. 6; male fl.: sta. 6; filam. short; fem. fl.: staminodes 6 or fewer; ovary 3-celled, superior as in all this Order. Berry size of a pea.

Bahr El Ghazal Prov. (Niamniam-land: River Buddu); Mongalla Prov. (Yei River).

756 =Asparagus Pauli-Guilelmi= Solms. DALADE & DILEH—Golo.

Erect undershr., 4-5 ft. high. Leaves minute, scale-like, with a hooked prickle at the bases, bearing in their axils 1-5 narrow, linear pointed leaf-like branchlets (cladodes), ¼ in. long. Fl. axillary solitary or paired; per. white, minute, 6-partite; sta. 6; style short, stigmas 3; berry size of a pea.

Nubia; Kordofan Prov. (Agari); Upper White Nile Prov. (Renk); Bahr El Ghazal Prov. (Jur: Jur Ghattas, Jur River & Wau, Dinka country, Ghabat El Arab, Rek District); Bahr El Jebel.

=A. Schweinfurthii= Baker.

Prickly shrub. Cladodes in fascicles of 3-6, ¾-1¼ in. long. Fl. in axillary pairs.

Kassala Prov. (Gallabat: on the banks of the River Gendua).

=A. asiaticus= Linn.

Prickly climbing shrub. Cladodes 6-15 in a cluster, ½ in. long, stout. Fl. several in axillary clusters.

Nubia; Red Sea Prov. (Erkowit); Darfur Prov. (Kulme 3,600 ft.).

=A. africanus= Lam. DAHUAB—Hadendowa; UM MUSHBUT & MESHEIT (Meshra El Zeraf)—Arab; GAGALI—Bari; BUT—Dinka; TIANKA—Burun.

Tall, prickly shrub. Cladodes densely fascicled, stout, ½-1 in. long. Fl. umbellate from sides and tips of branchlets.

Red Sea Prov. (Erkowit); Fung Prov. (Jongol’s Post); Kordofan Prov. (Mulbeis); Darfur Prov. (J. Murra: Niurnya 6,500 ft.); Upper White Nile Prov. (Meshra El Zeraf to mouth of Sobat River); Bahr El Ghazal Prov. (Meshra El Rek, Jur Ghattas); Bahr El Jebel.

=A. racemosus= Willd. DAYOK (Fung) & BEKHEISET—Arab; CHII—Golo; BARAKURI—Zande.

Rambling and scandent, prickly undershr. Cladodes 2-6 in a cluster, ½-¾ in. long. Racemes solitary or fascicled, 1-2 in. long.

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