SEDDERA BOTTÆ, Nob.
SEDDERA, Höchst, et Steud., in Sched. Plant, exs. Arab. fel. Schimperi, sub n° 849.
— Choisy, in D. C., Prodr., vol. 9, p. 44o.
SEDDERA BOTTÆ, Nob.
Erecta v. subdiffusa, suffruticosa, inermis, partibus herbaceis laxe adpresso-puberula (juventute
subseriçea). Foliis breve petiolatis, viridibus, subcoriaceis, cuspidulatis, plerisque oblongis v.
ovalibus; summis ovatis v. ovato-lanceolatis, minutis. Pedunculis axillaribus, solitariis, unifloris,
filiformibus, folio longioribus, patentibus v. deflexis, sub apice bibracteolatis. Sepalis corolla sub-
duplo brevioribus, herbaceis, cuspidulatis, exterioribus obovatis v. lanceolato-obovatis, interioribus
subrotundis v. obovato-subrotundis. Corollae tubo brevissimo'; limbo quinquelobulato. Staminibus
stylisque semi-exsertis. Capsula ellipsoidea, calycem plus minusve recurvum dimidio superante.
Suffrutex ad summum subpedalis, irregulariter ramosus, érectus v. plus minusve diffusus, inermis, habitu Evolvulorum,
partibus herbaceis setulis brevibus simplicibus exarticulatis nitidis subferrugineis subadpressis sparse puberulus, juventute
subsericeus. R adix snbsemi-pedalis, descendens, lignosa, paree ramosa, crassitie calami anserini. Catjdex vetulus lignosus,
corticatus, brevis, tortuosus, multiceps, interdum pollicem crassus. R ami vetuli erecti, v. diffusi, v. ascendentes, lignosi,
aphylli, teretes, 2-6 pollices longi, crassitie calami corvini v. tenuiores, paniculato-v. irregulariter racemoso-ramulosi, nunc
stricti, nunc tortuosi v. fractiflexi. R ami novelli teretes, graciles, virgati, foliosi, stricti, simplices v. varie ramulosi, interdum
6-8 pollices longi. F olia alterna, approximata (interstitiis plerumque subduplo plusve longiora), rigidula, viridia, uninervia
nervo supra impresso, subtus prominente filiformi), remote pennivenia, plana, breve petiolata, integerrima, cuspidulata,
pleraque ovalia v. oblonga, basi rot undata v. subcuneata; summa ovata v. ovato-lanceolata, minuta; infima obovata, sessilia,
subconferta. Folia ramoriun et ramulorum vegetiorum pleraque 5-7 lineas longa; summa gradatim minora. Folia ramulorum
macriorum 3-4 lineas longa. F lores solitarii, axillares, longe pëduncülati. Pedunctjli 4-i 5 lineas longi (folio florali plerumque
subduplo longiores), patentes v. deflexo-paten tes (sub anthesi apice arrecti), filiformes, infra apicem bibracteolati, apice
demum incrassati. Bracteolæ minutæ, oppositæ, herbaceæ, lauceolato-subulatæ. Calyx pentasepalus, imbricatus, erectus,
turbinato-campanæformis, inaccrescens, circiter 2 lineas longus, corolla duplo brevior. Sepala subæquilonga, inæquilata,
obliqua, herbacea, viridia, 5-7-nervia, reticulato-venulosa, concava, acuminulata, breve cuspidata, facie glabra, dorsq sparse
pubescentia, post anthesin plus minusve recurva; 2 exteriora obovata v. obovato-lanceolata; 3 interiora subrotùnda v.
obovato-subrotunda, breve unguiculata, extemis subtriente latiora. Corolla circiter 4 lineas longa, infundibuliformis, quin-
quelobulata, quinqueplicata, intus glaberrima, extus ad limbi angulos ferrugineo-sericea. Tubus cylindraceus, calyce brevior,
10-nervius. Limbus tubo subtriplo longior, cyathiformis ; lobulis rotundatis, obsolete retusis, muticis. Stamina 5, summo
corollæ tubo inserta, semi-exserta, limbum fere æquantia, isometra. Filamenta flaccida, elongata, subnlato-filiformia, gla-
berriraa, decurrentia, basi dilatata et utrinque denticulo acuto aucta. Antheræ filamento multo breviores, cordato-subro-
tundæ, retusæ, versatiles, lateribus déhiscentes. Pistillum corolla paululo longius. Ovarium breve, ovoideum, umbilicatum,
nectario carnoso annulari cinctum, a medio ad apicem pilis rigidulis erectis ferrugineis dense birsutum, reliquo glabrum,
bi-loculare, bi-ovulatum. Ovula collateralia, loculorum fundo affixa. Styli 2, decidui, filiformes, elongati, glaberrimi,
divergentes, plus minusve introrsum arcuati. Stigmata disciformia, peltata, crassiuscula, supra convexa et papillulosa.
Capsula calyce plus dimidio longior, subcoriacea, ellipsoidea, acuminulata, enervia, avenia, brunnca, apice sericea, cæterum
glabra, lævigata, quadnvalvis, bilocularis, tetrasperma. Valvae lanceolato-oblongæ, acutæ, concavæ, deciduæ. Dissepimentum
membranaceum, subrotundum, acutum, margine incrassatum, nervulo axili percursum. Semina valvis subduplo breviora,
crassa, ellipsoidea, trigona, nigra, opaca, glabra, sub lente conferte punctulata, basi et apice obtusa. {Exam. s. sp.~)
Arabia felici (ditione Yemen, ad montem Maammara) legit cel. Boitai (Herb. Mus. Par.)