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Cassiinae pt 1 NY-Botanical_gardens_Vol. 35_1 - Copy.pdf - Antbase

Cassiinae pt 1 NY-Botanical_gardens_Vol. 35_1 - Copy.pdf - Antbase

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1982] CASSIINAE—SENNA 185<br />

present in either, perched at tip of the leaf-stalk between the seta and the pul­<br />

vinules of the distal pair. In north-central Sa. do Espinhago (n.-ward from Serro<br />

and Datas) the calyx tends to be larger and the pod (little known) shorter than on<br />

the Goias highlands, and some specimens from this region and adjoining Bahia<br />

seem directly transitional into var. micans and var. striata.<br />

42c. Senna macranthera (Colladon) var. micans (Nees) Irwin & Barneby, stat.<br />

nov. Cassia micans Nees, Flora (Regensb.) 4: 303. 1821.—No locality<br />

given, coUected in BrazU by Maximilian zu Wied-Neuwied.—Holoty­<br />

pus not known to survive; neoholotypus, Maximilian 43, dated<br />

III. 1817, collected therefore in s.-e. Bahia, probably in the Contas<br />

valley, BR! isotypi Usted under the next foUowing.<br />

Cassia speciosa Schrader, Gotting. Gelehrt. Anz. 1: 718. 1821.—"[. . . der Prinz Maximilian von<br />

Neuwied ... in Brasilien gesammelten Gewachse] no. 43."—Holotypus, Maximilian 43,<br />

dated III. 1817, GOETT! isotypi, BR (v. supra), G-DC (misit Schradery.—Chamaefistula<br />

speciosa (Schrader) G. Don, Gen. Hist. Diehl. Pl. 2: 451. 1832.<br />

Cassia speciosa sensu Vogel, 1837, p. 39; sensu Bentham 1870, p. 103 & 1871, p. 524, amb.<br />

minore pro parte.<br />

Like var. nervosa in vesture and calyx, the longest sepal 5-9 x 2-A mm, but<br />

shrubby or weakly arborescent, when adult 1.5-6 m, and the pod only (?4-)5-ll<br />

cm; ovules 112-140.—Collections: 17.<br />

Caatinga and carrasco, 600-1500 m, apparently uncommon, s. Ceara (Chapada<br />

de Araripe) s. along crest and e. slope of Chapada Diamantina to Rio das Contas<br />

in Bahia (lat. 7-14°S), in valley of Rio Paraguacu extending out into the lowlands<br />

to Sape Acu.—Fl. I-III, VI-VIII.<br />

Very close to var. nervosa, but seldom more than shrubby when fully grown<br />

and small-leaved. The pod, unknown to Bentham, is of the short type hitherto<br />

thought proper to Cassia pudibunda, our var. pudibunda, from which it differs<br />

in the small, golden-hairy calyx.<br />

To contemporary botanists it was well known from the first that Cassia micans<br />

and C. speciosa were described from parts of one collection, thought by Bentham<br />

to have originated in Espirito Santo, but, if the date given on duphcate labels at<br />

Brussels and Gottingen is correct, certainly from southeastern Bahia. Maximihan<br />

described his plant as 5-6 foot tall, and it is matched at all points by modern<br />

coUections from the Contas valley which have the relatively low stature, small<br />

leaves and short pod here considered diagnostic of the variety. Exce<strong>pt</strong> for the<br />

type of C. speciosa all collections cited by Bentham under this name in Flora<br />

Brasiliensis represent the much commoner, arborescent, larger-leaved var. ner­<br />

vosa, which has consequently usurped the name C. speciosa in all subsequent<br />

hterature. The epithet speciosa having been misapphed for so long, it seems<br />

advisable to discard it altogether and ado<strong>pt</strong> for genuine C. speciosa, at the varietal<br />

level, the epithet micans, free of misleading connotations.<br />

42d. Senna macranthera (CoUadon) var. striata (Vogel) Irwin & Barneby, comb.<br />

nov. Cassia striata Vogel, Syn. Gen. Cass. 39 & Linnaea 11: 648.<br />

1837.—'Tn Brasilia: Sellow leg."—Holotypus, tB; no isotypus or pho-<br />

totypus known to survive.—C. splendida var. striata (Vogel) Bentham<br />

in Martius, Fl. Bras. 15(2): 105. 1870.<br />

Fruricose, adult when 1.5^ m; stipules 6-16 mm; distal lfts elli<strong>pt</strong>ic or elli<strong>pt</strong>ic-<br />

oblanceolate (5.5-)6-ll X 1.6-3.8 cm, pubescent on both sides or only beneath.

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